#263E57#263E57

#263E57 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.053 H 250.5°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#263E57
RGB	rgb(38, 62, 87)
HSL	hsl(211, 39%, 25%)
HSV	hsv(211, 56%, 34%)
CMYK	cmyk(56.3%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(25.40, -1.08, -17.85)
CIE-LCH	lch(25.40, 17.89, 266.52°)
OKLab	oklab(35.62% -0.0177 -0.05)
OKLCH	oklch(35.62% 0.053 250.5)
XYZ	xyz(4.2417, 4.5451, 9.6688)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E57 #573F26

analogous

#265757 #263E57 #272657

triadic

#263E57 #57263E #3E5726

tetradic

#263E57 #572657 #573F26 #265727

square

#263E57 #572657 #573F26 #265727

split-complementary

#263E57 #572726 #575726

monochromatic

#090F15 #13202C #263E57 #395C82 #4B7BAC

Accessibility & contrast

On white

11.00

#263E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#263E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E57

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E57	#FFFFFF	#000000	##FFFFFF
##263E57	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F58

Deuteranopia (green-blind)

#2E3A57

Tritanopia (blue-blind)

#0C4447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263e57;
/* rgb */ color: rgb(38, 62, 87);
/* oklch */ color: oklch(35.6% 0.053 250.5);

Tailwind

colors: {
  custom: {
    50: '#647386',
    500: '#263e57',
    950: '#000000',
  },
}

SCSS

$custom: #263e57;
$custom-light: #647386;
$custom-dark: #000000;

JSON

{
  "hex": "#263e57",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 210.612,
    "s": 39.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.35616,
    "c": 0.05305,
    "h": 250.5
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary

#263E57

secondary

#8A6D4F

accent

#9559CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #263E57

Body copy rendered with the generated semantic roles for this colour.

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