#252DB0#252DB0

#252DB0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.6% C 0.201 H 270.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#252DB0
RGB	rgb(37, 45, 176)
HSL	hsl(237, 65%, 42%)
HSV	hsv(237, 79%, 69%)
CMYK	cmyk(79%, 74.4%, 0%, 31%)
CIE-LAB	lab(27.86, 43.30, -69.52)
CIE-LCH	lch(27.86, 81.90, 301.91°)
OKLab	oklab(39.62% 0.0009 -0.2013)
OKLCH	oklch(39.62% 0.201 270.3)
XYZ	xyz(9.5351, 5.4036, 41.6063)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252DB0 #B0A825

analogous

#2573B0 #252DB0 #6325B0

triadic

#252DB0 #B0252D #2DB025

tetradic

#252DB0 #B02573 #B0A825 #25B063

square

#252DB0 #B02573 #B0A825 #25B063

split-complementary

#252DB0 #B06325 #73B025

monochromatic

#10134B #1A207D #252DB0 #3C45D6 #6F75E1

Accessibility & contrast

On white

10.09

#252DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#252DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252DB0

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252DB0	#FFFFFF	#000000	##FFFFFF
##252DB0	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252db0;
/* rgb */ color: rgb(37, 45, 176);
/* oklch */ color: oklch(39.6% 0.201 270.3);

Tailwind

colors: {
  custom: {
    50: '#7967c9',
    500: '#252db0',
    950: '#000000',
  },
}

SCSS

$custom: #252db0;
$custom-light: #7967c9;
$custom-dark: #000000;

JSON

{
  "hex": "#252db0",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 176
  },
  "hsl": {
    "h": 236.547,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39622,
    "c": 0.20135,
    "h": 270.3
  },
  "luminance": 0.05405
}

Semantic roles & 50–950 ramp

primary

#252DB0

secondary

#C7C26A

accent

#DF40E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252DB0

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

Preview Lab → · Contrast checker → · Palette generator →