#252CB0#252CB0

#252CB0 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.202 H 270.4°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#252CB0
RGB	rgb(37, 44, 176)
HSL	hsl(237, 65%, 42%)
HSV	hsv(237, 79%, 69%)
CMYK	cmyk(79%, 75%, 0%, 31%)
CIE-LAB	lab(27.65, 43.87, -69.86)
CIE-LCH	lch(27.65, 82.49, 302.13°)
OKLab	oklab(39.48% 0.0013 -0.2023)
OKLCH	oklch(39.48% 0.202 270.4)
XYZ	xyz(9.4974, 5.3282, 41.5938)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252CB0 #B0A925

analogous

#2572B0 #252CB0 #6325B0

triadic

#252CB0 #B0252C #2CB025

tetradic

#252CB0 #B02572 #B0A925 #25B063

square

#252CB0 #B02572 #B0A925 #25B063

split-complementary

#252CB0 #B06325 #72B025

monochromatic

#10134B #1A1F7D #252CB0 #3C44D6 #6F74E1

Accessibility & contrast

On white

10.17

#252CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#252CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252CB0

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252CB0	#FFFFFF	#000000	##FFFFFF
##252CB0	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003AAE

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #252cb0;
/* rgb */ color: rgb(37, 44, 176);
/* oklch */ color: oklch(39.5% 0.202 270.4);

Tailwind

colors: {
  custom: {
    50: '#7967c9',
    500: '#252cb0',
    950: '#000000',
  },
}

SCSS

$custom: #252cb0;
$custom-light: #7967c9;
$custom-dark: #000000;

JSON

{
  "hex": "#252cb0",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 176
  },
  "hsl": {
    "h": 236.978,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39476,
    "c": 0.20233,
    "h": 270.4
  },
  "luminance": 0.05329
}

Semantic roles & 50–950 ramp

primary

#252CB0

secondary

#C7C36A

accent

#E040E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252CB0

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

Preview Lab → · Contrast checker → · Palette generator →