#253C8D#253C8D

#253C8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.137 H 267.5°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#253C8D
RGB	rgb(37, 60, 141)
HSL	hsl(227, 58%, 35%)
HSV	hsv(227, 74%, 55%)
CMYK	cmyk(73.8%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(28.24, 20.72, -47.62)
CIE-LCH	lch(28.24, 51.93, 293.51°)
OKLab	oklab(38.91% -0.0059 -0.1372)
OKLCH	oklch(38.91% 0.137 267.5)
XYZ	xyz(7.1849, 5.5474, 25.8862)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C8D #8D7625

analogous

#25708D #253C8D #42258D

triadic

#253C8D #8D253C #3C8D25

tetradic

#253C8D #8D2570 #8D7625 #258D42

square

#253C8D #8D2570 #8D7625 #258D42

split-complementary

#253C8D #8D4225 #708D25

monochromatic

#0C132C #18275D #253C8D #3251BD #5974D3

Accessibility & contrast

On white

9.95

#253C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#253C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C8D

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C8D	#FFFFFF	#000000	##FFFFFF
##253C8D	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253c8d;
/* rgb */ color: rgb(37, 60, 141);
/* oklch */ color: oklch(38.9% 0.137 267.5);

Tailwind

colors: {
  custom: {
    50: '#6f71af',
    500: '#253c8d',
    950: '#000000',
  },
}

SCSS

$custom: #253c8d;
$custom-light: #6f71af;
$custom-dark: #000000;

JSON

{
  "hex": "#253c8d",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 226.731,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38912,
    "c": 0.13736,
    "h": 267.5
  },
  "luminance": 0.05548
}

Semantic roles & 50–950 ramp

primary

#253C8D

secondary

#B8A256

accent

#BF46E2

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253C8D

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

Preview Lab → · Contrast checker → · Palette generator →