#253D85#253D85

#253D85 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.124 H 266.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#253D85
RGB	rgb(37, 61, 133)
HSL	hsl(225, 56%, 33%)
HSV	hsv(225, 72%, 52%)
CMYK	cmyk(72.2%, 54.1%, 0%, 47.8%)
CIE-LAB	lab(27.91, 16.91, -43.20)
CIE-LCH	lch(27.91, 46.39, 291.38°)
OKLab	oklab(38.47% -0.0074 -0.1242)
OKLCH	oklch(38.47% 0.124 266.6)
XYZ	xyz(6.6639, 5.4236, 22.8814)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D85 #856D25

analogous

#256D85 #253D85 #3D2585

triadic

#253D85 #85253D #3D8525

tetradic

#253D85 #85256D #856D25 #25853D

square

#253D85 #85256D #856D25 #25853D

split-complementary

#253D85 #853D25 #6D8525

monochromatic

#0A1125 #182755 #253D85 #3253B5 #5573D0

Accessibility & contrast

On white

10.07

#253D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#253D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D85

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D85	#FFFFFF	#000000	##FFFFFF
##253D85	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4688

Deuteranopia (green-blind)

#003E84

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253d85;
/* rgb */ color: rgb(37, 61, 133);
/* oklch */ color: oklch(38.5% 0.124 266.6);

Tailwind

colors: {
  custom: {
    50: '#6d72a9',
    500: '#253d85',
    950: '#000000',
  },
}

SCSS

$custom: #253d85;
$custom-light: #6d72a9;
$custom-dark: #000000;

JSON

{
  "hex": "#253d85",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 133
  },
  "hsl": {
    "h": 225,
    "s": 56.471,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38467,
    "c": 0.12443,
    "h": 266.6
  },
  "luminance": 0.05424
}

Semantic roles & 50–950 ramp

primary

#253D85

secondary

#B49B52

accent

#BA48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253D85

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

Preview Lab → · Contrast checker → · Palette generator →