#263B4D#263B4D

#263B4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.042 H 245.3°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#263B4D
RGB	rgb(38, 59, 77)
HSL	hsl(208, 34%, 23%)
HSV	hsv(208, 51%, 30%)
CMYK	cmyk(50.6%, 23.4%, 0%, 69.8%)
CIE-LAB	lab(23.92, -2.58, -13.56)
CIE-LCH	lch(23.92, 13.80, 259.25°)
OKLab	oklab(34.29% -0.0174 -0.0377)
OKLCH	oklch(34.29% 0.042 245.3)
XYZ	xyz(3.7024, 4.0756, 7.6113)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B4D #4D3826

analogous

#264D4B #263B4D #26284D

triadic

#263B4D #4D263B #3B4D26

tetradic

#263B4D #4B264D #4D3826 #284D26

square

#263B4D #4B264D #4D3826 #284D26

split-complementary

#263B4D #4D2628 #4D4B26

monochromatic

#0A1014 #121C24 #263B4D #3A5A76 #4E7A9F

Accessibility & contrast

On white

11.57

#263B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#263B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B4D

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B4D	#FFFFFF	#000000	##FFFFFF
##263B4D	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343B4E

Deuteranopia (green-blind)

#2E374D

Tritanopia (blue-blind)

#153F41

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #263b4d;
/* rgb */ color: rgb(38, 59, 77);
/* oklch */ color: oklch(34.3% 0.042 245.3);

Tailwind

colors: {
  custom: {
    50: '#63707e',
    500: '#263b4d',
    950: '#000000',
  },
}

SCSS

$custom: #263b4d;
$custom-light: #63707e;
$custom-dark: #000000;

JSON

{
  "hex": "#263b4d",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 77
  },
  "hsl": {
    "h": 207.692,
    "s": 33.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34294,
    "c": 0.0415,
    "h": 245.3
  },
  "luminance": 0.04076
}

Semantic roles & 50–950 ramp

primary

#263B4D

secondary

#80664F

accent

#905ECA

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263B4D

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

Preview Lab → · Contrast checker → · Palette generator →