#263A4D#263A4D

#263A4D is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.042 H 247.9°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#263A4D
RGB	rgb(38, 58, 77)
HSL	hsl(209, 34%, 23%)
HSV	hsv(209, 51%, 30%)
CMYK	cmyk(50.6%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(23.58, -1.91, -14.08)
CIE-LCH	lch(23.58, 14.21, 262.27°)
OKLab	oklab(34.03% -0.0159 -0.0392)
OKLCH	oklch(34.03% 0.042 247.9)
XYZ	xyz(3.6515, 3.9738, 7.5943)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A4D #4D3926

analogous

#264D4D #263A4D #26264D

triadic

#263A4D #4D263A #3A4D26

tetradic

#263A4D #4D264D #4D3926 #264D26

square

#263A4D #4D264D #4D3926 #264D26

split-complementary

#263A4D #4D2626 #4D4D26

monochromatic

#0A0F14 #121B24 #263A4D #3A5976 #4E789F

Accessibility & contrast

On white

11.70

#263A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#263A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A4D

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A4D	#FFFFFF	#000000	##FFFFFF
##263A4D	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4E

Deuteranopia (green-blind)

#2D364D

Tritanopia (blue-blind)

#163E40

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #263a4d;
/* rgb */ color: rgb(38, 58, 77);
/* oklch */ color: oklch(34.0% 0.042 247.9);

Tailwind

colors: {
  custom: {
    50: '#63707e',
    500: '#263a4d',
    950: '#000000',
  },
}

SCSS

$custom: #263a4d;
$custom-light: #63707e;
$custom-dark: #000000;

JSON

{
  "hex": "#263a4d",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 209.231,
    "s": 33.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3403,
    "c": 0.04228,
    "h": 247.9
  },
  "luminance": 0.03974
}

Semantic roles & 50–950 ramp

primary

#263A4D

secondary

#80674F

accent

#935ECA

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #263A4D

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

Preview Lab → · Contrast checker → · Palette generator →