#253D7E#253D7E

#253D7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.114 H 265.9°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#253D7E
RGB	rgb(37, 61, 126)
HSL	hsl(224, 55%, 32%)
HSV	hsv(224, 71%, 49%)
CMYK	cmyk(70.6%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(27.40, 14.17, -39.65)
CIE-LCH	lch(27.40, 42.11, 289.67°)
OKLab	oklab(37.92% -0.0081 -0.1138)
OKLCH	oklch(37.92% 0.114 265.9)
XYZ	xyz(6.1963, 5.2366, 20.4188)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D7E #7E6625

analogous

#256A7E #253D7E #3A257E

triadic

#253D7E #7E253D #3D7E25

tetradic

#253D7E #7E256A #7E6625 #257E3A

square

#253D7E #7E256A #7E6625 #257E3A

split-complementary

#253D7E #7E3A25 #6A7E25

monochromatic

#090F1F #17264F #253D7E #3354AD #5172CC

Accessibility & contrast

On white

10.26

#253D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D7E

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D7E	#FFFFFF	#000000	##FFFFFF
##253D7E	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184580

Deuteranopia (green-blind)

#003D7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253d7e;
/* rgb */ color: rgb(37, 61, 126);
/* oklch */ color: oklch(37.9% 0.114 265.9);

Tailwind

colors: {
  custom: {
    50: '#6b72a4',
    500: '#253d7e',
    950: '#000000',
  },
}

SCSS

$custom: #253d7e;
$custom-light: #6b72a4;
$custom-dark: #000000;

JSON

{
  "hex": "#253d7e",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 223.82,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37917,
    "c": 0.11406,
    "h": 265.9
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#253D7E

secondary

#B0964F

accent

#B64ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253D7E

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

Preview Lab → · Contrast checker → · Palette generator →