#253B85#253B85

#253B85 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.127 H 267.5°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#253B85
RGB	rgb(37, 59, 133)
HSL	hsl(226, 56%, 33%)
HSV	hsv(226, 72%, 52%)
CMYK	cmyk(72.2%, 55.6%, 0%, 47.8%)
CIE-LAB	lab(27.34, 18.29, -44.13)
CIE-LCH	lch(27.34, 47.77, 292.52°)
OKLab	oklab(38.03% -0.0055 -0.127)
OKLCH	oklch(38.03% 0.127 267.5)
XYZ	xyz(6.5591, 5.2140, 22.8465)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B85 #856F25

analogous

#256B85 #253B85 #3F2585

triadic

#253B85 #85253B #3B8525

tetradic

#253B85 #85256B #856F25 #25853F

square

#253B85 #85256B #856F25 #25853F

split-complementary

#253B85 #853F25 #6B8525

monochromatic

#0A1125 #182655 #253B85 #3250B5 #5571D0

Accessibility & contrast

On white

10.28

#253B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B85

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B85	#FFFFFF	#000000	##FFFFFF
##253B85	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034588

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253b85;
/* rgb */ color: rgb(37, 59, 133);
/* oklch */ color: oklch(38.0% 0.127 267.5);

Tailwind

colors: {
  custom: {
    50: '#6d70a9',
    500: '#253b85',
    950: '#000000',
  },
}

SCSS

$custom: #253b85;
$custom-light: #6d70a9;
$custom-dark: #000000;

JSON

{
  "hex": "#253b85",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 133
  },
  "hsl": {
    "h": 226.25,
    "s": 56.471,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38034,
    "c": 0.12709,
    "h": 267.5
  },
  "luminance": 0.05215
}

Semantic roles & 50–950 ramp

primary

#253B85

secondary

#B49D52

accent

#BD48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253B85

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

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