#253388#253388

#253388 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.142 H 270.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#253388
RGB	rgb(37, 51, 136)
HSL	hsl(232, 57%, 34%)
HSV	hsv(232, 73%, 53%)
CMYK	cmyk(72.8%, 62.5%, 0%, 46.7%)
CIE-LAB	lab(25.38, 24.96, -49.19)
CIE-LCH	lch(25.38, 55.16, 296.90°)
OKLab	oklab(36.65% 0.0013 -0.1419)
OKLCH	oklch(36.65% 0.142 270.5)
XYZ	xyz(6.3892, 4.5379, 23.8270)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253388 #887A25

analogous

#256588 #253388 #492588

triadic

#253388 #882533 #338825

tetradic

#253388 #882565 #887A25 #258849

square

#253388 #882565 #887A25 #258849

split-complementary

#253388 #884925 #658825

monochromatic

#0B0F28 #182158 #253388 #3245B8 #5668D1

Accessibility & contrast

On white

11.01

#253388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#253388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253388

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253388	#FFFFFF	#000000	##FFFFFF
##253388	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418B

Deuteranopia (green-blind)

#003886

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253388;
/* rgb */ color: rgb(37, 51, 136);
/* oklch */ color: oklch(36.6% 0.142 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e6aab',
    500: '#253388',
    950: '#000000',
  },
}

SCSS

$custom: #253388;
$custom-light: #6e6aab;
$custom-dark: #000000;

JSON

{
  "hex": "#253388",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 136
  },
  "hsl": {
    "h": 231.515,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36646,
    "c": 0.14195,
    "h": 270.5
  },
  "luminance": 0.04539
}

Semantic roles & 50–950 ramp

primary

#253388

secondary

#B6A853

accent

#CB47E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #253388

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

Preview Lab → · Contrast checker → · Palette generator →