#253D74#253D74

#253D74 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.099 H 264.4°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#253D74
RGB	rgb(37, 61, 116)
HSL	hsl(222, 52%, 30%)
HSV	hsv(222, 68%, 45%)
CMYK	cmyk(68.1%, 47.4%, 0%, 54.5%)
CIE-LAB	lab(26.71, 10.27, -34.45)
CIE-LCH	lch(26.71, 35.95, 286.60°)
OKLab	oklab(37.17% -0.0097 -0.0985)
OKLCH	oklch(37.17% 0.099 264.4)
XYZ	xyz(5.5830, 4.9912, 17.1888)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D74 #745C25

analogous

#256574 #253D74 #342574

triadic

#253D74 #74253D #3D7425

tetradic

#253D74 #742565 #745C25 #257434

square

#253D74 #742565 #745C25 #257434

split-complementary

#253D74 #743425 #657425

monochromatic

#070C17 #162546 #253D74 #3455A2 #4D72C6

Accessibility & contrast

On white

10.51

#253D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#253D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D74

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D74	#FFFFFF	#000000	##FFFFFF
##253D74	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224376

Deuteranopia (green-blind)

#143C73

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253d74;
/* rgb */ color: rgb(37, 61, 116);
/* oklch */ color: oklch(37.2% 0.099 264.4);

Tailwind

colors: {
  custom: {
    50: '#69729c',
    500: '#253d74',
    950: '#000000',
  },
}

SCSS

$custom: #253d74;
$custom-light: #69729c;
$custom-dark: #000000;

JSON

{
  "hex": "#253d74",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 116
  },
  "hsl": {
    "h": 221.772,
    "s": 51.634,
    "l": 30
  },
  "oklch": {
    "l": 0.37169,
    "c": 0.09895,
    "h": 264.4
  },
  "luminance": 0.04992
}

Semantic roles & 50–950 ramp

primary

#253D74

secondary

#A78C4E

accent

#B04DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253D74

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

Preview Lab → · Contrast checker → · Palette generator →