#263B53#263B53

#263B53 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.050 H 252.5°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#263B53
RGB	rgb(38, 59, 83)
HSL	hsl(212, 37%, 24%)
HSV	hsv(212, 54%, 33%)
CMYK	cmyk(54.2%, 28.9%, 0%, 67.5%)
CIE-LAB	lab(24.21, -0.50, -17.08)
CIE-LCH	lch(24.21, 17.09, 268.34°)
OKLab	oklab(34.62% -0.015 -0.0478)
OKLCH	oklch(34.62% 0.05 252.5)
XYZ	xyz(3.9241, 4.1642, 8.7789)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B53 #533E26

analogous

#265153 #263B53 #272653

triadic

#263B53 #53263B #3B5326

tetradic

#263B53 #532651 #533E26 #265327

square

#263B53 #532651 #533E26 #265327

split-complementary

#263B53 #532726 #515326

monochromatic

#0A0F15 #131D29 #263B53 #39597D #4C77A7

Accessibility & contrast

On white

11.46

#263B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#263B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B53

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B53	#FFFFFF	#000000	##FFFFFF
##263B53	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C54

Deuteranopia (green-blind)

#2C3853

Tritanopia (blue-blind)

#114043

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263b53;
/* rgb */ color: rgb(38, 59, 83);
/* oklch */ color: oklch(34.6% 0.050 252.5);

Tailwind

colors: {
  custom: {
    50: '#637083',
    500: '#263b53',
    950: '#000000',
  },
}

SCSS

$custom: #263b53;
$custom-light: #637083;
$custom-dark: #000000;

JSON

{
  "hex": "#263b53",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 212,
    "s": 37.19,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34615,
    "c": 0.0501,
    "h": 252.5
  },
  "luminance": 0.04165
}

Semantic roles & 50–950 ramp

primary

#263B53

secondary

#866C4F

accent

#985BCD

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263B53

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

Preview Lab → · Contrast checker → · Palette generator →