#252BA0#252BA0

#252BA0 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.183 H 271.3°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#252BA0
RGB	rgb(37, 43, 160)
HSL	hsl(237, 62%, 39%)
HSV	hsv(237, 77%, 63%)
CMYK	cmyk(76.9%, 73.1%, 0%, 37.3%)
CIE-LAB	lab(25.74, 38.94, -63.36)
CIE-LCH	lch(25.74, 74.37, 301.57°)
OKLab	oklab(37.61% 0.0042 -0.1834)
OKLCH	oklch(37.61% 0.183 271.3)
XYZ	xyz(7.9698, 4.6583, 33.7300)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252BA0 #A09A25

analogous

#2568A0 #252BA0 #5C25A0

triadic

#252BA0 #A0252B #2BA025

tetradic

#252BA0 #A02568 #A09A25 #25A05C

square

#252BA0 #A02568 #A09A25 #25A05C

split-complementary

#252BA0 #A05C25 #68A025

monochromatic

#0E103D #1A1E6E #252BA0 #323AD0 #646ADB

Accessibility & contrast

On white

10.87

#252BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#252BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252BA0

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252BA0	#FFFFFF	#000000	##FFFFFF
##252BA0	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A3

Deuteranopia (green-blind)

#00379E

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #252ba0;
/* rgb */ color: rgb(37, 43, 160);
/* oklch */ color: oklch(37.6% 0.183 271.3);

Tailwind

colors: {
  custom: {
    50: '#7565bd',
    500: '#252ba0',
    950: '#000000',
  },
}

SCSS

$custom: #252ba0;
$custom-light: #7565bd;
$custom-dark: #000000;

JSON

{
  "hex": "#252ba0",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 160
  },
  "hsl": {
    "h": 237.073,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37608,
    "c": 0.18348,
    "h": 271.3
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#252BA0

secondary

#C1BC60

accent

#DE42E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252BA0

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

Preview Lab → · Contrast checker → · Palette generator →