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#515FFB

#515ffb ≈ Ultramarine Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#515ffb is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 31.76% red, 37.25% green and 98.43% blue; printed in CMYK it uses 67.73% cyan, 62.15% magenta, 0% yellow and 1.57% black. Its hue angle is 235.06°, with 95.51% saturation and 65.1% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and call-to-action buttons. White text on this color reaches a contrast ratio of 4.79:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.24.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.169

Complementary

  1. #515ffb
  2. #fbed51

Split complementary

  1. #515ffb
  2. #fb9851
  3. #b4fb51

Analogous

  1. #51b4fb
  2. #515ffb
  3. #9851fb

Triadic

  1. #515ffb
  2. #fb515f
  3. #5ffb51

Tetradic

  1. #515ffb
  2. #ed51fb
  3. #fbed51
  4. #5ffb51

Square

  1. #515ffb
  2. #fb51b4
  3. #fbed51
  4. #51fb98

Monochromatic

  1. #0412af
  2. #061af9
  3. #515ffb
  4. #9ca4fd
  5. #e7e9fe

Shades

#515ffb mixed progressively with black.

  1. #515ffb
  2. #4956e2
  3. #414cc9
  4. #3943b0
  5. #313997
  6. #29307e
  7. #202664
  8. #181d4b
  9. #101332
  10. #080a19
  11. #000000

Tints

#515ffb mixed progressively with white.

  1. #515ffb
  2. #626ffb
  3. #747ffc
  4. #858ffc
  5. #979ffd
  6. #a8affd
  7. #b9bffd
  8. #cbcffe
  9. #dcdffe
  10. #eeefff
  11. #ffffff

Tones

#515ffb mixed progressively with gray.

  1. #515ffb
  2. #5662ef
  3. #5a66e2
  4. #5f69d6
  5. #646cca
  6. #6970be
  7. #6d73b1
  8. #7276a5
  9. #777999
  10. #7b7d8c
  11. #808080

Readable text 4.79:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.38:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #727272 ≈ 0.003% of males
Achromatomaly #676bb9 ≈ 0.001% of males
Protanopia #007aff ≈ 1.01% of males
Deuteranopia #006bf8 ≈ 1.27% of males
Tritanopia #0087a4 ≈ 0.0001% of males
Protanomaly #0070fe ≈ 1.08% of males
Deuteranomaly #0066f9 ≈ 4.63% of males
Tritanomaly #0079cd ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-515ffb {
  color: #515ffb;
}
Background
.bg-515ffb {
  background-color: #515ffb;
  color: #ffffff;
}
Border
.border-515ffb {
  border: 2px solid #515ffb;
}
CSS variables
:root {
  --color-primary: #515ffb;
  --color-primary-rgb: 81 95 251;
  --color-primary-hsl: 235 96% 65%;
}
Gradient
.gradient-515ffb {
  background: linear-gradient(135deg, #515ffb, #9851fb);
}
Colored shadow
.shadow-515ffb {
  box-shadow: 0 8px 24px rgb(81 95 251 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.24 #4169e1 Royal Blue ΔE 5.64 #7b68ee Medium Slate Blue ΔE 6.33 #6050dc Majorelle Blue ΔE 6.41 #6a5acd Slate Blue ΔE 7.06 #5a4fcf Iris ΔE 7.74 #0070ff Brandeis Blue ΔE 8.10 #aea004 Inverted #727272 Grayscale 

Ultramarine Blue
#515ffb  rgb(81, 95, 251)  hsl(235, 96%, 65%)  Ultramarine Blue
#fbed51  rgb(251, 237, 81)  hsl(55, 96%, 65%)  Icterine
#fb515f  rgb(251, 81, 95)  hsl(355, 96%, 65%)  Neon Fuchsia
#5ffb51  rgb(95, 251, 81)  hsl(115, 96%, 65%)  Neon Green