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#1F5BF9

#1f5bf9 ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#1f5bf9 is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 12.16% red, 35.69% green and 97.65% blue; printed in CMYK it uses 87.55% cyan, 63.45% magenta, 0% yellow and 2.35% black. Its hue angle is 223.49°, with 94.78% saturation and 54.9% 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 5.35:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.73.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1461

Complementary

  1. #1f5bf9
  2. #f9bd1f

Split complementary

  1. #1f5bf9
  2. #f9501f
  3. #c8f91f

Analogous

  1. #1fc8f9
  2. #1f5bf9
  3. #501ff9

Triadic

  1. #1f5bf9
  2. #f91f5b
  3. #5bf91f

Tetradic

  1. #1f5bf9
  2. #bd1ff9
  3. #f9bd1f
  4. #5bf91f

Square

  1. #1f5bf9
  2. #f91fc8
  3. #f9bd1f
  4. #1ff950

Monochromatic

  1. #03247c
  2. #053ac6
  3. #1f5bf9
  4. #6992fb
  5. #b4c8fd

Shades

#1f5bf9 mixed progressively with black.

  1. #1f5bf9
  2. #1c52e0
  3. #1949c7
  4. #1640ae
  5. #133795
  6. #102e7d
  7. #0c2464
  8. #091b4b
  9. #061232
  10. #030919
  11. #000000

Tints

#1f5bf9 mixed progressively with white.

  1. #1f5bf9
  2. #356bfa
  3. #4c7cfa
  4. #628cfb
  5. #799dfb
  6. #8fadfc
  7. #a5bdfd
  8. #bccefd
  9. #d2defe
  10. #e9effe
  11. #ffffff

Tones

#1f5bf9 mixed progressively with gray.

  1. #1f5bf9
  2. #295fed
  3. #3262e1
  4. #3c66d5
  5. #466ac9
  6. #506ebd
  7. #5971b0
  8. #6375a4
  9. #6d7998
  10. #767c8c
  11. #808080

Readable text 5.35:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.92:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5665b6 ≈ 0.001% of males
Protanopia #0075fe ≈ 1.01% of males
Deuteranopia #0061f6 ≈ 1.27% of males
Tritanopia #0085a2 ≈ 0.0001% of males
Protanomaly #006cfc ≈ 1.08% of males
Deuteranomaly #005ff7 ≈ 4.63% of males
Tritanomaly #0077cb ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-1f5bf9 {
  color: #1f5bf9;
}
Background
.bg-1f5bf9 {
  background-color: #1f5bf9;
  color: #ffffff;
}
Border
.border-1f5bf9 {
  border: 2px solid #1f5bf9;
}
CSS variables
:root {
  --color-primary: #1f5bf9;
  --color-primary-rgb: 31 91 249;
  --color-primary-hsl: 223 95% 55%;
}
Gradient
.gradient-1f5bf9 {
  background: linear-gradient(135deg, #1f5bf9, #501ff9);
}
Colored shadow
.shadow-1f5bf9 {
  box-shadow: 0 8px 24px rgb(31 91 249 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.73 #4169e1 Royal Blue ΔE 4.99 #0070ff Brandeis Blue ΔE 7.32 #6050dc Majorelle Blue ΔE 7.50 #5a4fcf Iris ΔE 8.01 #1560bd Denim ΔE 8.69 #6a5acd Slate Blue ΔE 8.91 #e0a406 Inverted #6b6b6b Grayscale 

Ultramarine Blue
#1f5bf9  rgb(31, 91, 249)  hsl(223, 95%, 55%)  Ultramarine Blue
#f9bd1f  rgb(249, 189, 31)  hsl(43, 95%, 55%)  Amber
#f91f5b  rgb(249, 31, 91)  hsl(343, 95%, 55%)  Folly
#5bf91f  rgb(91, 249, 31)  hsl(103, 95%, 55%)  Harlequin