#263F59#263F59

#263F59 is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.055 H 250.5°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#263F59
RGB	rgb(38, 63, 89)
HSL	hsl(211, 40%, 25%)
HSV	hsv(211, 57%, 35%)
CMYK	cmyk(57.3%, 29.2%, 0%, 65.1%)
CIE-LAB	lab(25.83, -1.04, -18.49)
CIE-LCH	lch(25.83, 18.52, 266.79°)
OKLab	oklab(35.99% -0.0184 -0.0518)
OKLCH	oklch(35.99% 0.055 250.5)
XYZ	xyz(4.3794, 4.6880, 10.1234)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F59 #594026

analogous

#265959 #263F59 #272659

triadic

#263F59 #59263F #3F5926

tetradic

#263F59 #592659 #594026 #265927

square

#263F59 #592659 #594026 #265927

split-complementary

#263F59 #592726 #595926

monochromatic

#090F15 #14212E #263F59 #385D84 #4B7CAF

Accessibility & contrast

On white

10.84

#263F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#263F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F59

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F59	#FFFFFF	#000000	##FFFFFF
##263F59	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405A

Deuteranopia (green-blind)

#2E3B58

Tritanopia (blue-blind)

#094548

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263f59;
/* rgb */ color: rgb(38, 63, 89);
/* oklch */ color: oklch(36.0% 0.055 250.5);

Tailwind

colors: {
  custom: {
    50: '#647388',
    500: '#263f59',
    950: '#000000',
  },
}

SCSS

$custom: #263f59;
$custom-light: #647388;
$custom-dark: #000000;

JSON

{
  "hex": "#263f59",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 89
  },
  "hsl": {
    "h": 210.588,
    "s": 40.157,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35986,
    "c": 0.05499,
    "h": 250.5
  },
  "luminance": 0.04688
}

Semantic roles & 50–950 ramp

primary

#263F59

secondary

#8C6E4F

accent

#9558D0

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #263F59

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

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