#253583#253583

#253583 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.132 H 269.8°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#253583
RGB	rgb(37, 53, 131)
HSL	hsl(230, 56%, 33%)
HSV	hsv(230, 72%, 51%)
CMYK	cmyk(71.8%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(25.50, 21.67, -45.87)
CIE-LCH	lch(25.50, 50.73, 295.29°)
OKLab	oklab(36.6% -0.0004 -0.1322)
OKLCH	oklch(36.6% 0.132 269.8)
XYZ	xyz(6.1314, 4.5776, 22.0288)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253583 #837325

analogous

#256483 #253583 #442583

triadic

#253583 #832535 #358325

tetradic

#253583 #832564 #837325 #258344

square

#253583 #832564 #837325 #258344

split-complementary

#253583 #834425 #648325

monochromatic

#0A0E24 #182253 #253583 #3248B3 #5469CF

Accessibility & contrast

On white

10.96

#253583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#253583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253583

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253583	#FFFFFF	#000000	##FFFFFF
##253583	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003881

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253583;
/* rgb */ color: rgb(37, 53, 131);
/* oklch */ color: oklch(36.6% 0.132 269.8);

Tailwind

colors: {
  custom: {
    50: '#6d6ca8',
    500: '#253583',
    950: '#000000',
  },
}

SCSS

$custom: #253583;
$custom-light: #6d6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#253583",
  "rgb": {
    "r": 37,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 229.787,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36603,
    "c": 0.13217,
    "h": 269.8
  },
  "luminance": 0.04578
}

Semantic roles & 50–950 ramp

primary

#253583

secondary

#B3A251

accent

#C649DF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #253583

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

Preview Lab → · Contrast checker → · Palette generator →