#253D73#253D73

#253D73 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.097 H 264.2°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#253D73
RGB	rgb(37, 61, 115)
HSL	hsl(222, 51%, 30%)
HSV	hsv(222, 68%, 45%)
CMYK	cmyk(67.8%, 47%, 0%, 54.9%)
CIE-LAB	lab(26.64, 9.88, -33.93)
CIE-LCH	lch(26.64, 35.33, 286.24°)
OKLab	oklab(37.1% -0.0099 -0.0969)
OKLCH	oklch(37.1% 0.097 264.2)
XYZ	xyz(5.5251, 4.9681, 16.8841)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D73 #735B25

analogous

#256473 #253D73 #342573

triadic

#253D73 #73253D #3D7325

tetradic

#253D73 #732564 #735B25 #257334

square

#253D73 #732564 #735B25 #257334

split-complementary

#253D73 #733425 #647325

monochromatic

#070C17 #162445 #253D73 #3456A1 #4D72C6

Accessibility & contrast

On white

10.53

#253D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#253D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D73

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D73	#FFFFFF	#000000	##FFFFFF
##253D73	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234375

Deuteranopia (green-blind)

#163C72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253d73;
/* rgb */ color: rgb(37, 61, 115);
/* oklch */ color: oklch(37.1% 0.097 264.2);

Tailwind

colors: {
  custom: {
    50: '#69729c',
    500: '#253d73',
    950: '#000000',
  },
}

SCSS

$custom: #253d73;
$custom-light: #69729c;
$custom-dark: #000000;

JSON

{
  "hex": "#253d73",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 221.538,
    "s": 51.316,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37097,
    "c": 0.09742,
    "h": 264.2
  },
  "luminance": 0.04969
}

Semantic roles & 50–950 ramp

primary

#253D73

secondary

#A68B4E

accent

#AF4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253D73

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

Preview Lab → · Contrast checker → · Palette generator →