#253B50#253B50

#253B50 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.046 H 248.2°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#253B50
RGB	rgb(37, 59, 80)
HSL	hsl(209, 37%, 23%)
HSV	hsv(209, 54%, 31%)
CMYK	cmyk(53.7%, 26.2%, 0%, 68.6%)
CIE-LAB	lab(24.00, -1.83, -15.43)
CIE-LCH	lch(24.00, 15.53, 263.24°)
OKLab	oklab(34.39% -0.0172 -0.043)
OKLCH	oklch(34.39% 0.046 248.2)
XYZ	xyz(3.7744, 4.1002, 8.1804)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B50 #503A25

analogous

#25504F #253B50 #252650

triadic

#253B50 #50253B #3B5025

tetradic

#253B50 #4F2550 #503A25 #265025

square

#253B50 #4F2550 #503A25 #265025

split-complementary

#253B50 #502526 #504F25

monochromatic

#0A0F15 #121C26 #253B50 #385A7A #4C79A4

Accessibility & contrast

On white

11.54

#253B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#253B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B50

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B50	#FFFFFF	#000000	##FFFFFF
##253B50	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323C51

Deuteranopia (green-blind)

#2D3750

Tritanopia (blue-blind)

#114042

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #253b50;
/* rgb */ color: rgb(37, 59, 80);
/* oklch */ color: oklch(34.4% 0.046 248.2);

Tailwind

colors: {
  custom: {
    50: '#627081',
    500: '#253b50',
    950: '#000000',
  },
}

SCSS

$custom: #253b50;
$custom-light: #627081;
$custom-dark: #000000;

JSON

{
  "hex": "#253b50",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 80
  },
  "hsl": {
    "h": 209.302,
    "s": 36.752,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34388,
    "c": 0.04637,
    "h": 248.2
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#253B50

secondary

#83684E

accent

#935BCD

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #253B50

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

Preview Lab → · Contrast checker → · Palette generator →