#263E58#263E58

#263E58 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.055 H 251.4°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#263E58
RGB	rgb(38, 62, 88)
HSL	hsl(211, 40%, 25%)
HSV	hsv(211, 57%, 35%)
CMYK	cmyk(56.8%, 29.5%, 0%, 65.5%)
CIE-LAB	lab(25.45, -0.73, -18.43)
CIE-LCH	lch(25.45, 18.44, 267.73°)
OKLab	oklab(35.67% -0.0174 -0.0517)
OKLCH	oklch(35.67% 0.055 251.4)
XYZ	xyz(4.2828, 4.5616, 9.8854)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E58 #584026

analogous

#265758 #263E58 #272658

triadic

#263E58 #58263E #3E5826

tetradic

#263E58 #582657 #584026 #265827

square

#263E58 #582657 #584026 #265827

split-complementary

#263E58 #582726 #575826

monochromatic

#090F15 #14202D #263E58 #385C83 #4B7AAD

Accessibility & contrast

On white

10.98

#263E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#263E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E58

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E58	#FFFFFF	#000000	##FFFFFF
##263E58	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F59

Deuteranopia (green-blind)

#2D3A57

Tritanopia (blue-blind)

#0B4447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263e58;
/* rgb */ color: rgb(38, 62, 88);
/* oklch */ color: oklch(35.7% 0.055 251.4);

Tailwind

colors: {
  custom: {
    50: '#647387',
    500: '#263e58',
    950: '#000000',
  },
}

SCSS

$custom: #263e58;
$custom-light: #647387;
$custom-dark: #000000;

JSON

{
  "hex": "#263e58",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 88
  },
  "hsl": {
    "h": 211.2,
    "s": 39.683,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35671,
    "c": 0.05451,
    "h": 251.4
  },
  "luminance": 0.04562
}

Semantic roles & 50–950 ramp

primary

#263E58

secondary

#8B6E4F

accent

#9658D0

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #263E58

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

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