#252CA7#252CA7

#252CA7 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.191 H 270.8°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#252CA7
RGB	rgb(37, 44, 167)
HSL	hsl(237, 64%, 40%)
HSV	hsv(237, 78%, 65%)
CMYK	cmyk(77.8%, 73.7%, 0%, 34.5%)
CIE-LAB	lab(26.69, 40.78, -66.04)
CIE-LCH	lch(26.69, 77.62, 301.70°)
OKLab	oklab(38.51% 0.0027 -0.1912)
OKLCH	oklch(38.51% 0.191 270.8)
XYZ	xyz(8.6363, 4.9837, 37.0585)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252CA7 #A7A025

analogous

#256DA7 #252CA7 #5F25A7

triadic

#252CA7 #A7252C #2CA725

tetradic

#252CA7 #A7256D #A7A025 #25A75F

square

#252CA7 #A7256D #A7A025 #25A75F

split-complementary

#252CA7 #A75F25 #6DA725

monochromatic

#0F1243 #1A1F75 #252CA7 #373FD3 #696FDE

Accessibility & contrast

On white

10.52

#252CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#252CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252CA7

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252CA7	#FFFFFF	#000000	##FFFFFF
##252CA7	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AB

Deuteranopia (green-blind)

#0039A5

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252ca7;
/* rgb */ color: rgb(37, 44, 167);
/* oklch */ color: oklch(38.5% 0.191 270.8);

Tailwind

colors: {
  custom: {
    50: '#7666c2',
    500: '#252ca7',
    950: '#000000',
  },
}

SCSS

$custom: #252ca7;
$custom-light: #7666c2;
$custom-dark: #000000;

JSON

{
  "hex": "#252ca7",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 167
  },
  "hsl": {
    "h": 236.769,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.38506,
    "c": 0.19124,
    "h": 270.8
  },
  "luminance": 0.04985
}

Semantic roles & 50–950 ramp

primary

#252CA7

secondary

#C4BF64

accent

#DE41E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252CA7

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

Preview Lab → · Contrast checker → · Palette generator →