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#255DF5

#255df5 ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#255df5 is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 14.51% red, 36.47% green and 96.08% blue; printed in CMYK it uses 84.9% cyan, 62.04% magenta, 0% yellow and 3.92% black. Its hue angle is 223.85°, with 91.23% saturation and 55.29% 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 5.3:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.26.

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 luminance0.1481

Complementary

  1. #255df5
  2. #f5bd25

Split complementary

  1. #255df5
  2. #f55525
  3. #c5f525

Analogous

  1. #25c5f5
  2. #255df5
  3. #5525f5

Triadic

  1. #255df5
  2. #f5255d
  3. #5df525

Tetradic

  1. #255df5
  2. #bd25f5
  3. #f5bd25
  4. #5df525

Square

  1. #255df5
  2. #f525c5
  3. #f5bd25
  4. #25f555

Monochromatic

  1. #06257b
  2. #093bc4
  3. #255df5
  4. #6e93f8
  5. #b7cafc

Shades

#255df5 mixed progressively with black.

  1. #255df5
  2. #2154dd
  3. #1e4ac4
  4. #1a41ac
  5. #163893
  6. #132f7b
  7. #0f2562
  8. #0b1c4a
  9. #071331
  10. #040919
  11. #000000

Tints

#255df5 mixed progressively with white.

  1. #255df5
  2. #3b6df6
  3. #517df7
  4. #668ef8
  5. #7c9ef9
  6. #92aefa
  7. #a8befb
  8. #becefc
  9. #d3dffd
  10. #e9effe
  11. #ffffff

Tones

#255df5 mixed progressively with gray.

  1. #255df5
  2. #2e61e9
  3. #3764de
  4. #4068d2
  5. #496bc6
  6. #536fbb
  7. #5c72af
  8. #6576a3
  9. #6e7997
  10. #777d8c
  11. #808080

Readable text 5.3:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.96:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5766b4 ≈ 0.001% of males
Protanopia #0075fa ≈ 1.01% of males
Deuteranopia #0062f2 ≈ 1.27% of males
Tritanopia #0085a0 ≈ 0.0001% of males
Protanomaly #006cf8 ≈ 1.08% of males
Deuteranomaly #0060f3 ≈ 4.63% of males
Tritanomaly #0077c8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-255df5 {
  color: #255df5;
}
Background
.bg-255df5 {
  background-color: #255df5;
  color: #ffffff;
}
Border
.border-255df5 {
  border: 2px solid #255df5;
}
CSS variables
:root {
  --color-primary: #255df5;
  --color-primary-rgb: 37 93 245;
  --color-primary-hsl: 224 91% 55%;
}
Gradient
.gradient-255df5 {
  background: linear-gradient(135deg, #255df5, #5525f5);
}
Colored shadow
.shadow-255df5 {
  box-shadow: 0 8px 24px rgb(37 93 245 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.26 #4169e1 Royal Blue ΔE 4.30 #0070ff Brandeis Blue ΔE 6.83 #6050dc Majorelle Blue ΔE 7.70 #5a4fcf Iris ΔE 8.14 #1560bd Denim ΔE 8.25 #0f52ba Sapphire ΔE 8.79 #daa20a Inverted #6b6b6b Grayscale 

Ultramarine Blue
#255df5  rgb(37, 93, 245)  hsl(224, 91%, 55%)  Ultramarine Blue
#f5bd25  rgb(245, 189, 37)  hsl(44, 91%, 55%)  Golden Poppy
#f5255d  rgb(245, 37, 93)  hsl(344, 91%, 55%)  Folly
#5df525  rgb(93, 245, 37)  hsl(104, 91%, 55%)  Harlequin