#252BAC#252BAC

#252BAC is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.9% C 0.198 H 270.7°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#252BAC
RGB	rgb(37, 43, 172)
HSL	hsl(237, 65%, 41%)
HSV	hsv(237, 78%, 67%)
CMYK	cmyk(78.5%, 75%, 0%, 32.5%)
CIE-LAB	lab(27.01, 43.09, -68.51)
CIE-LCH	lch(27.01, 80.93, 302.17°)
OKLab	oklab(38.9% 0.0023 -0.1984)
OKLCH	oklch(38.9% 0.198 270.7)
XYZ	xyz(9.0707, 5.0986, 39.5278)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252BAC #ACA625

analogous

#256EAC #252BAC #6225AC

triadic

#252BAC #AC252B #2BAC25

tetradic

#252BAC #AC256E #ACA625 #25AC62

square

#252BAC #AC256E #ACA625 #25AC62

split-complementary

#252BAC #AC6225 #6EAC25

monochromatic

#0F1247 #1A1E7A #252BAC #3A41D5 #6C71DF

Accessibility & contrast

On white

10.40

#252BAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#252BAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252BAC

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252BAC	#FFFFFF	#000000	##FFFFFF
##252BAC	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B0

Deuteranopia (green-blind)

#0039AA

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #252bac;
/* rgb */ color: rgb(37, 43, 172);
/* oklch */ color: oklch(38.9% 0.198 270.7);

Tailwind

colors: {
  custom: {
    50: '#7866c6',
    500: '#252bac',
    950: '#000000',
  },
}

SCSS

$custom: #252bac;
$custom-light: #7866c6;
$custom-dark: #000000;

JSON

{
  "hex": "#252bac",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 172
  },
  "hsl": {
    "h": 237.333,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38897,
    "c": 0.19842,
    "h": 270.7
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#252BAC

secondary

#C6C167

accent

#E040E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252BAC

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

Preview Lab → · Contrast checker → · Palette generator →