#253B86#253B86

#253B86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.129 H 267.6°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#253B86
RGB	rgb(37, 59, 134)
HSL	hsl(226, 57%, 34%)
HSV	hsv(226, 72%, 53%)
CMYK	cmyk(72.4%, 56%, 0%, 47.5%)
CIE-LAB	lab(27.41, 18.68, -44.63)
CIE-LCH	lch(27.41, 48.38, 292.72°)
OKLab	oklab(38.12% -0.0055 -0.1284)
OKLCH	oklch(38.12% 0.129 267.6)
XYZ	xyz(6.6285, 5.2418, 23.2121)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B86 #867025

analogous

#256B86 #253B86 #3F2586

triadic

#253B86 #86253B #3B8625

tetradic

#253B86 #86256B #867025 #25863F

square

#253B86 #86256B #867025 #25863F

split-complementary

#253B86 #863F25 #6B8625

monochromatic

#0B1126 #182656 #253B86 #3250B6 #5571D0

Accessibility & contrast

On white

10.25

#253B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B86

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B86	#FFFFFF	#000000	##FFFFFF
##253B86	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004589

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253b86;
/* rgb */ color: rgb(37, 59, 134);
/* oklch */ color: oklch(38.1% 0.129 267.6);

Tailwind

colors: {
  custom: {
    50: '#6d70aa',
    500: '#253b86',
    950: '#000000',
  },
}

SCSS

$custom: #253b86;
$custom-light: #6d70aa;
$custom-dark: #000000;

JSON

{
  "hex": "#253b86",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 134
  },
  "hsl": {
    "h": 226.392,
    "s": 56.725,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38117,
    "c": 0.12855,
    "h": 267.6
  },
  "luminance": 0.05242
}

Semantic roles & 50–950 ramp

primary

#253B86

secondary

#B49E52

accent

#BD48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253B86

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

Preview Lab → · Contrast checker → · Palette generator →