#263E4D#263E4D

#263E4D is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.040 H 236.9°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#263E4D
RGB	rgb(38, 62, 77)
HSL	hsl(203, 34%, 23%)
HSV	hsv(203, 51%, 30%)
CMYK	cmyk(50.6%, 19.5%, 0%, 69.8%)
CIE-LAB	lab(24.93, -4.54, -12.01)
CIE-LCH	lch(24.93, 12.84, 249.28°)
OKLab	oklab(35.09% -0.0217 -0.0333)
OKLCH	oklch(35.09% 0.04 236.9)
XYZ	xyz(3.8610, 4.3929, 7.6642)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E4D #4D3526

analogous

#264D48 #263E4D #262A4D

triadic

#263E4D #4D263E #3E4D26

tetradic

#263E4D #48264D #4D3526 #2A4D26

square

#263E4D #48264D #4D3526 #2A4D26

split-complementary

#263E4D #4D262A #4D4826

monochromatic

#0A1014 #121D24 #263E4D #3A5F76 #4E809F

Accessibility & contrast

On white

11.18

#263E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E4D

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E4D	#FFFFFF	#000000	##FFFFFF
##263E4D	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4E

Deuteranopia (green-blind)

#32394D

Tritanopia (blue-blind)

#154243

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263e4d;
/* rgb */ color: rgb(38, 62, 77);
/* oklch */ color: oklch(35.1% 0.040 236.9);

Tailwind

colors: {
  custom: {
    50: '#63737e',
    500: '#263e4d',
    950: '#000000',
  },
}

SCSS

$custom: #263e4d;
$custom-light: #63737e;
$custom-dark: #000000;

JSON

{
  "hex": "#263e4d",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 203.077,
    "s": 33.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35093,
    "c": 0.03973,
    "h": 236.9
  },
  "luminance": 0.04393
}

Semantic roles & 50–950 ramp

primary

#263E4D

secondary

#80624F

accent

#875ECA

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263E4D

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

Preview Lab → · Contrast checker → · Palette generator →