#252EB1#252EB1

#252EB1 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 39.9% C 0.202 H 270.1°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#252EB1
RGB	rgb(37, 46, 177)
HSL	hsl(236, 65%, 42%)
HSV	hsv(236, 79%, 69%)
CMYK	cmyk(79.1%, 74%, 0%, 30.6%)
CIE-LAB	lab(28.17, 43.06, -69.60)
CIE-LCH	lch(28.17, 81.84, 301.74°)
OKLab	oklab(39.88% 0.0004 -0.2016)
OKLCH	oklch(39.88% 0.202 270.1)
XYZ	xyz(9.6730, 5.5205, 42.1422)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252EB1 #B1A825

analogous

#2574B1 #252EB1 #6225B1

triadic

#252EB1 #B1252E #2EB125

tetradic

#252EB1 #B12574 #B1A825 #25B162

square

#252EB1 #B12574 #B1A825 #25B162

split-complementary

#252EB1 #B16225 #74B125

monochromatic

#10144C #1A217E #252EB1 #3D47D6 #6F77E1

Accessibility & contrast

On white

9.98

#252EB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#252EB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252EB1

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252EB1	#FFFFFF	#000000	##FFFFFF
##252EB1	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252eb1;
/* rgb */ color: rgb(37, 46, 177);
/* oklch */ color: oklch(39.9% 0.202 270.1);

Tailwind

colors: {
  custom: {
    50: '#7968ca',
    500: '#252eb1',
    950: '#000000',
  },
}

SCSS

$custom: #252eb1;
$custom-light: #7968ca;
$custom-dark: #000000;

JSON

{
  "hex": "#252eb1",
  "rgb": {
    "r": 37,
    "g": 46,
    "b": 177
  },
  "hsl": {
    "h": 236.143,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39878,
    "c": 0.20159,
    "h": 270.1
  },
  "luminance": 0.05522
}

Semantic roles & 50–950 ramp

primary

#252EB1

secondary

#C8C26A

accent

#DE3FE8

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252EB1

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

Preview Lab → · Contrast checker → · Palette generator →