#253799#253799

#253799 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.161 H 269.3°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#253799
RGB	rgb(37, 55, 153)
HSL	hsl(231, 61%, 37%)
HSV	hsv(231, 76%, 60%)
CMYK	cmyk(75.8%, 64.1%, 0%, 40%)
CIE-LAB	lab(27.91, 28.72, -55.52)
CIE-LCH	lch(27.91, 62.51, 297.35°)
OKLab	oklab(38.98% -0.002 -0.1605)
OKLCH	oklch(38.98% 0.161 269.3)
XYZ	xyz(7.8769, 5.4248, 30.7628)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253799 #998725

analogous

#257199 #253799 #4D2599

triadic

#253799 #992537 #379925

tetradic

#253799 #992571 #998725 #25994D

square

#253799 #992571 #998725 #25994D

split-complementary

#253799 #994D25 #719925

monochromatic

#0D1436 #192568 #253799 #3149CA #6073D9

Accessibility & contrast

On white

10.07

#253799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#253799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253799

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253799	#FFFFFF	#000000	##FFFFFF
##253799	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253799;
/* rgb */ color: rgb(37, 55, 153);
/* oklch */ color: oklch(39.0% 0.161 269.3);

Tailwind

colors: {
  custom: {
    50: '#726db8',
    500: '#253799',
    950: '#000000',
  },
}

SCSS

$custom: #253799;
$custom-light: #726db8;
$custom-dark: #000000;

JSON

{
  "hex": "#253799",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 230.69,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38982,
    "c": 0.1605,
    "h": 269.3
  },
  "luminance": 0.05426
}

Semantic roles & 50–950 ramp

primary

#253799

secondary

#BEAF5C

accent

#CB44E4

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253799

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

Preview Lab → · Contrast checker → · Palette generator →