#263E53#263E53

#263E53 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.047 H 246.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#263E53
RGB	rgb(38, 62, 83)
HSL	hsl(208, 37%, 24%)
HSV	hsv(208, 54%, 33%)
CMYK	cmyk(54.2%, 25.3%, 0%, 67.5%)
CIE-LAB	lab(25.20, -2.49, -15.53)
CIE-LCH	lch(25.20, 15.73, 260.88°)
OKLab	oklab(35.4% -0.0192 -0.0433)
OKLCH	oklch(35.4% 0.047 246.1)
XYZ	xyz(4.0827, 4.4815, 8.8318)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E53 #533B26

analogous

#265351 #263E53 #262753

triadic

#263E53 #53263E #3E5326

tetradic

#263E53 #512653 #533B26 #275326

square

#263E53 #512653 #533B26 #275326

split-complementary

#263E53 #532627 #535126

monochromatic

#0A1015 #131F29 #263E53 #395D7D #4C7DA7

Accessibility & contrast

On white

11.07

#263E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#263E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E53

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E53	#FFFFFF	#000000	##FFFFFF
##263E53	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2F3A53

Tritanopia (blue-blind)

#104345

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263e53;
/* rgb */ color: rgb(38, 62, 83);
/* oklch */ color: oklch(35.4% 0.047 246.1);

Tailwind

colors: {
  custom: {
    50: '#647383',
    500: '#263e53',
    950: '#000000',
  },
}

SCSS

$custom: #263e53;
$custom-light: #647383;
$custom-dark: #000000;

JSON

{
  "hex": "#263e53",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 83
  },
  "hsl": {
    "h": 208,
    "s": 37.19,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35399,
    "c": 0.04742,
    "h": 246.1
  },
  "luminance": 0.04482
}

Semantic roles & 50–950 ramp

primary

#263E53

secondary

#86694F

accent

#905BCD

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263E53

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

Preview Lab → · Contrast checker → · Palette generator →