#252F83#252F83

#252F83 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.140 H 271.9°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#252F83
RGB	rgb(37, 47, 131)
HSL	hsl(234, 56%, 33%)
HSV	hsv(234, 72%, 51%)
CMYK	cmyk(71.8%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(23.88, 25.78, -48.49)
CIE-LCH	lch(23.88, 54.92, 298.00°)
OKLab	oklab(35.41% 0.0046 -0.1399)
OKLCH	oklch(35.41% 0.14 271.9)
XYZ	xyz(5.8748, 4.0645, 21.9432)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F83 #837925

analogous

#255E83 #252F83 #4A2583

triadic

#252F83 #83252F #2F8325

tetradic

#252F83 #83255E #837925 #25834A

square

#252F83 #83255E #837925 #25834A

split-complementary

#252F83 #834A25 #5E8325

monochromatic

#0A0D24 #181E53 #252F83 #3240B3 #5461CF

Accessibility & contrast

On white

11.58

#252F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#252F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F83

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F83	#FFFFFF	#000000	##FFFFFF
##252F83	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#003581

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252f83;
/* rgb */ color: rgb(37, 47, 131);
/* oklch */ color: oklch(35.4% 0.140 271.9);

Tailwind

colors: {
  custom: {
    50: '#6d67a8',
    500: '#252f83',
    950: '#000000',
  },
}

SCSS

$custom: #252f83;
$custom-light: #6d67a8;
$custom-dark: #000000;

JSON

{
  "hex": "#252f83",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 233.617,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35408,
    "c": 0.14003,
    "h": 271.9
  },
  "luminance": 0.04065
}

Semantic roles & 50–950 ramp

primary

#252F83

secondary

#B3A851

accent

#CF49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252F83

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

Preview Lab → · Contrast checker → · Palette generator →