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#255B71

#255b71 ≈ Sea Blue

  • azure
  • Lightness: low
  • Saturation: moderate
  • Cool
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#255b71 is a color from the azure family, with low lightness and moderate saturation. In the RGB model it is made of 14.51% red, 35.69% green and 44.31% blue; printed in CMYK it uses 67.26% cyan, 19.47% magenta, 0% yellow and 55.69% black. Its hue angle is 197.37°, with 50.67% saturation and 29.41% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and luxury branding. White text on this color reaches a contrast ratio of 7.46:1 (WCAG AAA). The closest named color is Sea Blue (#006994), ΔE 7.57.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336666
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0907

Complementary

  1. #255b71
  2. #713b25

Split complementary

  1. #255b71
  2. #712535
  3. #716125

Analogous

  1. #257161
  2. #255b71
  3. #253571

Triadic

  1. #255b71
  2. #71255b
  3. #5b7125

Tetradic

  1. #255b71
  2. #3b2571
  3. #713b25
  4. #5b7125

Square

  1. #255b71
  2. #612571
  3. #713b25
  4. #357125

Monochromatic

  1. #050c0f
  2. #122d37
  3. #255b71
  4. #3889ab
  5. #63aecc

Shades

#255b71 mixed progressively with black.

  1. #255b71
  2. #215266
  3. #1e495a
  4. #1a404f
  5. #163744
  6. #132e39
  7. #0f242d
  8. #0b1b22
  9. #071217
  10. #04090b
  11. #000000

Tints

#255b71 mixed progressively with white.

  1. #255b71
  2. #3b6b7f
  3. #517c8d
  4. #668c9c
  5. #7c9daa
  6. #92adb8
  7. #a8bdc6
  8. #beced4
  9. #d3dee3
  10. #e9eff1
  11. #ffffff

Tones

#255b71 mixed progressively with gray.

  1. #255b71
  2. #2e5f73
  3. #376274
  4. #406676
  5. #496a77
  6. #536e79
  7. #5c717a
  8. #65757c
  9. #6e797d
  10. #777c7f
  11. #808080

Readable text 7.46:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.81:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #555555 ≈ 0.003% of males
Achromatomaly #465761 ≈ 0.001% of males
Protanopia #4f5972 ≈ 1.01% of males
Deuteranopia #455271 ≈ 1.27% of males
Tritanopia #006162 ≈ 0.0001% of males
Protanomaly #425a72 ≈ 1.08% of males
Deuteranomaly #3a5571 ≈ 4.63% of males
Tritanomaly #005f68 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-255b71 {
  color: #255b71;
}
Background
.bg-255b71 {
  background-color: #255b71;
  color: #ffffff;
}
Border
.border-255b71 {
  border: 2px solid #255b71;
}
CSS variables
:root {
  --color-primary: #255b71;
  --color-primary-rgb: 37 91 113;
  --color-primary-hsl: 197 51% 29%;
}
Gradient
.gradient-255b71 {
  background: linear-gradient(135deg, #255b71, #253571);
}
Colored shadow
.shadow-255b71 {
  box-shadow: 0 8px 24px rgb(37 91 113 / 0.35);
}

#006994 Sea Blue ΔE 7.57 #004953 Midnight Green ΔE 9.06 #367588 Teal Blue ΔE 9.40 #36454f Charcoal ΔE 10.28 #26619c Lapis Lazuli ΔE 10.55 #2f4f4f Dark Slate Gray ΔE 10.63 #2f4f4f Dark Slate Grey ΔE 10.63 #daa48e Inverted #555555 Grayscale 

Sea Blue
#255b71  rgb(37, 91, 113)  hsl(197, 51%, 29%)  Sea Blue
#713b25  rgb(113, 59, 37)  hsl(17, 51%, 29%)  Burnt Umber
#71255b  rgb(113, 37, 91)  hsl(317, 51%, 29%)  Byzantium
#5b7125  rgb(91, 113, 37)  hsl(77, 51%, 29%)  Dark Olive Green