#252BA8#252BA8

#252BA8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.5% C 0.193 H 270.9°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#252BA8
RGB	rgb(37, 43, 168)
HSL	hsl(237, 64%, 40%)
HSV	hsv(237, 78%, 66%)
CMYK	cmyk(78%, 74.4%, 0%, 34.1%)
CIE-LAB	lab(26.58, 41.72, -66.81)
CIE-LCH	lch(26.58, 78.77, 301.98°)
OKLab	oklab(38.46% 0.003 -0.1935)
OKLCH	oklch(38.46% 0.193 270.9)
XYZ	xyz(8.6923, 4.9473, 37.5350)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252BA8 #A8A225

analogous

#256CA8 #252BA8 #6125A8

triadic

#252BA8 #A8252B #2BA825

tetradic

#252BA8 #A8256C #A8A225 #25A861

square

#252BA8 #A8256C #A8A225 #25A861

split-complementary

#252BA8 #A86125 #6CA825

monochromatic

#0F1144 #1A1E76 #252BA8 #373ED3 #696FDE

Accessibility & contrast

On white

10.55

#252BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#252BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252BA8

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252BA8	#FFFFFF	#000000	##FFFFFF
##252BA8	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252ba8;
/* rgb */ color: rgb(37, 43, 168);
/* oklch */ color: oklch(38.5% 0.193 270.9);

Tailwind

colors: {
  custom: {
    50: '#7766c3',
    500: '#252ba8',
    950: '#000000',
  },
}

SCSS

$custom: #252ba8;
$custom-light: #7766c3;
$custom-dark: #000000;

JSON

{
  "hex": "#252ba8",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 168
  },
  "hsl": {
    "h": 237.252,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38464,
    "c": 0.19349,
    "h": 270.9
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#252BA8

secondary

#C4C065

accent

#DF41E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252BA8

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

Preview Lab → · Contrast checker → · Palette generator →