#253791#253791

#253791 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.149 H 269.3°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#253791
RGB	rgb(37, 55, 145)
HSL	hsl(230, 59%, 36%)
HSV	hsv(230, 74%, 57%)
CMYK	cmyk(74.5%, 62.1%, 0%, 43.1%)
CIE-LAB	lab(27.21, 25.68, -51.76)
CIE-LCH	lch(27.21, 57.78, 296.38°)
OKLab	oklab(38.25% -0.0019 -0.1495)
OKLCH	oklch(38.25% 0.149 269.3)
XYZ	xyz(7.2382, 5.1693, 27.3989)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253791 #917F25

analogous

#256D91 #253791 #492591

triadic

#253791 #912537 #379125

tetradic

#253791 #91256D #917F25 #259149

square

#253791 #91256D #917F25 #259149

split-complementary

#253791 #914925 #6D9125

monochromatic

#0C122F #192560 #253791 #3149C2 #5B70D5

Accessibility & contrast

On white

10.32

#253791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#253791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253791

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253791	#FFFFFF	#000000	##FFFFFF
##253791	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004594

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253791;
/* rgb */ color: rgb(37, 55, 145);
/* oklch */ color: oklch(38.2% 0.149 269.3);

Tailwind

colors: {
  custom: {
    50: '#706db2',
    500: '#253791',
    950: '#000000',
  },
}

SCSS

$custom: #253791;
$custom-light: #706db2;
$custom-dark: #000000;

JSON

{
  "hex": "#253791",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 145
  },
  "hsl": {
    "h": 230,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38247,
    "c": 0.14947,
    "h": 269.3
  },
  "luminance": 0.0517
}

Semantic roles & 50–950 ramp

primary

#253791

secondary

#BAAA58

accent

#C845E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253791

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

Preview Lab → · Contrast checker → · Palette generator →