#253591#253591

#253591 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.152 H 269.8°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#253591
RGB	rgb(37, 53, 145)
HSL	hsl(231, 59%, 36%)
HSV	hsv(231, 74%, 57%)
CMYK	cmyk(74.5%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(26.69, 27.03, -52.62)
CIE-LCH	lch(26.69, 59.16, 297.19°)
OKLab	oklab(37.86% -0.0004 -0.152)
OKLCH	oklch(37.86% 0.152 269.8)
XYZ	xyz(7.1451, 4.9831, 27.3678)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253591 #918125

analogous

#256B91 #253591 #4B2591

triadic

#253591 #912535 #359125

tetradic

#253591 #91256B #918125 #25914B

square

#253591 #91256B #918125 #25914B

split-complementary

#253591 #914B25 #6B9125

monochromatic

#0C112F #192360 #253591 #3147C2 #5B6DD5

Accessibility & contrast

On white

10.52

#253591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#253591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253591

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253591	#FFFFFF	#000000	##FFFFFF
##253591	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253591;
/* rgb */ color: rgb(37, 53, 145);
/* oklch */ color: oklch(37.9% 0.152 269.8);

Tailwind

colors: {
  custom: {
    50: '#706cb2',
    500: '#253591',
    950: '#000000',
  },
}

SCSS

$custom: #253591;
$custom-light: #706cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#253591",
  "rgb": {
    "r": 37,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 231.111,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37859,
    "c": 0.152,
    "h": 269.8
  },
  "luminance": 0.04984
}

Semantic roles & 50–950 ramp

primary

#253591

secondary

#BAAB58

accent

#CB45E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253591

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

Preview Lab → · Contrast checker → · Palette generator →