#263D59#263D59

#263D59 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.057 H 254.0°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#263D59
RGB	rgb(38, 61, 89)
HSL	hsl(213, 40%, 25%)
HSV	hsv(213, 57%, 35%)
CMYK	cmyk(57.3%, 31.5%, 0%, 65.1%)
CIE-LAB	lab(25.17, 0.30, -19.51)
CIE-LCH	lch(25.17, 19.52, 270.88°)
OKLab	oklab(35.47% -0.0157 -0.0548)
OKLCH	oklch(35.47% 0.057 254)
XYZ	xyz(4.2706, 4.4705, 10.0871)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D59 #594226

analogous

#265759 #263D59 #292659

triadic

#263D59 #59263D #3D5926

tetradic

#263D59 #592657 #594226 #265929

square

#263D59 #592657 #594226 #265929

split-complementary

#263D59 #592926 #575926

monochromatic

#090F15 #14202E #263D59 #385A84 #4B78AF

Accessibility & contrast

On white

11.09

#263D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#263D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D59

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D59	#FFFFFF	#000000	##FFFFFF
##263D59	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E5A

Deuteranopia (green-blind)

#2B3958

Tritanopia (blue-blind)

#0A4347

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263d59;
/* rgb */ color: rgb(38, 61, 89);
/* oklch */ color: oklch(35.5% 0.057 254.0);

Tailwind

colors: {
  custom: {
    50: '#647288',
    500: '#263d59',
    950: '#000000',
  },
}

SCSS

$custom: #263d59;
$custom-light: #647288;
$custom-dark: #000000;

JSON

{
  "hex": "#263d59",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 89
  },
  "hsl": {
    "h": 212.941,
    "s": 40.157,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3547,
    "c": 0.057,
    "h": 254
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary

#263D59

secondary

#8C704F

accent

#9A58D0

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263D59

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

Preview Lab → · Contrast checker → · Palette generator →