#253683#253683

#253683 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.131 H 269.5°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#253683
RGB	rgb(37, 54, 131)
HSL	hsl(229, 56%, 33%)
HSV	hsv(229, 72%, 51%)
CMYK	cmyk(71.8%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(25.77, 20.98, -45.42)
CIE-LCH	lch(25.77, 50.03, 294.79°)
OKLab	oklab(36.81% -0.0012 -0.1308)
OKLCH	oklch(36.81% 0.131 269.5)
XYZ	xyz(6.1774, 4.6697, 22.0441)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253683 #837225

analogous

#256583 #253683 #432583

triadic

#253683 #832536 #368325

tetradic

#253683 #832565 #837225 #258343

square

#253683 #832565 #837225 #258343

split-complementary

#253683 #834325 #658325

monochromatic

#0A0F24 #182253 #253683 #324AB3 #546ACF

Accessibility & contrast

On white

10.86

#253683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253683

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253683	#FFFFFF	#000000	##FFFFFF
##253683	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253683;
/* rgb */ color: rgb(37, 54, 131);
/* oklch */ color: oklch(36.8% 0.131 269.5);

Tailwind

colors: {
  custom: {
    50: '#6d6ca8',
    500: '#253683',
    950: '#000000',
  },
}

SCSS

$custom: #253683;
$custom-light: #6d6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#253683",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 229.149,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.3681,
    "c": 0.13084,
    "h": 269.5
  },
  "luminance": 0.0467
}

Semantic roles & 50–950 ramp

primary

#253683

secondary

#B3A151

accent

#C449DF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253683

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

Preview Lab → · Contrast checker → · Palette generator →