#252DA8#252DA8

#252DA8 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.191 H 270.6°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#252DA8
RGB	rgb(37, 45, 168)
HSL	hsl(236, 64%, 40%)
HSV	hsv(236, 78%, 66%)
CMYK	cmyk(78%, 73.2%, 0%, 34.1%)
CIE-LAB	lab(27.01, 40.53, -66.11)
CIE-LCH	lch(27.01, 77.55, 301.51°)
OKLab	oklab(38.77% 0.0021 -0.1914)
OKLCH	oklch(38.77% 0.191 270.6)
XYZ	xyz(8.7668, 5.0963, 37.5598)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252DA8 #A8A025

analogous

#256EA8 #252DA8 #5F25A8

triadic

#252DA8 #A8252D #2DA825

tetradic

#252DA8 #A8256E #A8A025 #25A85F

square

#252DA8 #A8256E #A8A025 #25A85F

split-complementary

#252DA8 #A85F25 #6EA825

monochromatic

#0F1244 #1A2076 #252DA8 #3741D3 #6970DE

Accessibility & contrast

On white

10.40

#252DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#252DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252DA8

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252DA8	#FFFFFF	#000000	##FFFFFF
##252DA8	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)

#0046AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #252da8;
/* rgb */ color: rgb(37, 45, 168);
/* oklch */ color: oklch(38.8% 0.191 270.6);

Tailwind

colors: {
  custom: {
    50: '#7767c3',
    500: '#252da8',
    950: '#000000',
  },
}

SCSS

$custom: #252da8;
$custom-light: #7767c3;
$custom-dark: #000000;

JSON

{
  "hex": "#252da8",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 168
  },
  "hsl": {
    "h": 236.336,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38766,
    "c": 0.19146,
    "h": 270.6
  },
  "luminance": 0.05097
}

Semantic roles & 50–950 ramp

primary

#252DA8

secondary

#C4BE65

accent

#DD41E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252DA8

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

Preview Lab → · Contrast checker → · Palette generator →