#252EA8#252EA8

#252EA8 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.190 H 270.5°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#252EA8
RGB	rgb(37, 46, 168)
HSL	hsl(236, 64%, 40%)
HSV	hsv(236, 78%, 66%)
CMYK	cmyk(78%, 72.6%, 0%, 34.1%)
CIE-LAB	lab(27.22, 39.93, -65.76)
CIE-LCH	lch(27.22, 76.93, 301.27°)
OKLab	oklab(38.92% 0.0017 -0.1904)
OKLCH	oklch(38.92% 0.19 270.5)
XYZ	xyz(8.8054, 5.1735, 37.5727)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252EA8 #A89F25

analogous

#256FA8 #252EA8 #5E25A8

triadic

#252EA8 #A8252E #2EA825

tetradic

#252EA8 #A8256F #A89F25 #25A85E

square

#252EA8 #A8256F #A89F25 #25A85E

split-complementary

#252EA8 #A85E25 #6FA825

monochromatic

#0F1344 #1A2076 #252EA8 #3742D3 #6971DE

Accessibility & contrast

On white

10.32

#252EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#252EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252EA8

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252EA8	#FFFFFF	#000000	##FFFFFF
##252EA8	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)

#0047AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#005168

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #252ea8;
/* rgb */ color: rgb(37, 46, 168);
/* oklch */ color: oklch(38.9% 0.190 270.5);

Tailwind

colors: {
  custom: {
    50: '#7668c3',
    500: '#252ea8',
    950: '#000000',
  },
}

SCSS

$custom: #252ea8;
$custom-light: #7668c3;
$custom-dark: #000000;

JSON

{
  "hex": "#252ea8",
  "rgb": {
    "r": 37,
    "g": 46,
    "b": 168
  },
  "hsl": {
    "h": 235.878,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3892,
    "c": 0.19042,
    "h": 270.5
  },
  "luminance": 0.05174
}

Semantic roles & 50–950 ramp

primary

#252EA8

secondary

#C4BE65

accent

#DC41E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252EA8

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

Preview Lab → · Contrast checker → · Palette generator →