#253A73#253A73

#253A73 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.101 H 266.3°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#253A73
RGB	rgb(37, 58, 115)
HSL	hsl(224, 51%, 30%)
HSV	hsv(224, 68%, 45%)
CMYK	cmyk(67.8%, 49.6%, 0%, 54.9%)
CIE-LAB	lab(25.73, 11.97, -35.38)
CIE-LCH	lch(25.73, 37.35, 288.68°)
OKLab	oklab(36.4% -0.0066 -0.1013)
OKLCH	oklch(36.4% 0.101 266.3)
XYZ	xyz(5.3694, 4.6567, 16.8322)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A73 #735E25

analogous

#256173 #253A73 #372573

triadic

#253A73 #73253A #3A7325

tetradic

#253A73 #732561 #735E25 #257337

square

#253A73 #732561 #735E25 #257337

split-complementary

#253A73 #733725 #617325

monochromatic

#070C17 #162345 #253A73 #3451A1 #4D6DC6

Accessibility & contrast

On white

10.87

#253A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A73

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A73	#FFFFFF	#000000	##FFFFFF
##253A73	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4175

Deuteranopia (green-blind)

#0D3A72

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253a73;
/* rgb */ color: rgb(37, 58, 115);
/* oklch */ color: oklch(36.4% 0.101 266.3);

Tailwind

colors: {
  custom: {
    50: '#696f9c',
    500: '#253a73',
    950: '#000000',
  },
}

SCSS

$custom: #253a73;
$custom-light: #696f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#253a73",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 115
  },
  "hsl": {
    "h": 223.846,
    "s": 51.316,
    "l": 29.804
  },
  "oklch": {
    "l": 0.364,
    "c": 0.10148,
    "h": 266.3
  },
  "luminance": 0.04657
}

Semantic roles & 50–950 ramp

primary

#253A73

secondary

#A68E4E

accent

#B54DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253A73

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

Preview Lab → · Contrast checker → · Palette generator →