#252B7D#252B7D

#252B7D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.1% C 0.137 H 273.4°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#252B7D
RGB	rgb(37, 43, 125)
HSL	hsl(236, 54%, 32%)
HSV	hsv(236, 70%, 49%)
CMYK	cmyk(70.4%, 65.6%, 0%, 51%)
CIE-LAB	lab(22.31, 26.23, -47.29)
CIE-LCH	lch(22.31, 54.08, 299.02°)
OKLab	oklab(34.08% 0.0081 -0.1364)
OKLCH	oklch(34.08% 0.137 273.4)
XYZ	xyz(5.3273, 3.6012, 19.8124)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B7D #7D7725

analogous

#25577D #252B7D #4B257D

triadic

#252B7D #7D252B #2B7D25

tetradic

#252B7D #7D2557 #7D7725 #257D4B

square

#252B7D #7D2557 #7D7725 #257D4B

split-complementary

#252B7D #7D4B25 #577D25

monochromatic

#090B1F #171B4E #252B7D #333BAC #5159CB

Accessibility & contrast

On white

12.21

#252B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#252B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B7D

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B7D	#FFFFFF	#000000	##FFFFFF
##252B7D	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #252b7d;
/* rgb */ color: rgb(37, 43, 125);
/* oklch */ color: oklch(34.1% 0.137 273.4);

Tailwind

colors: {
  custom: {
    50: '#6c64a3',
    500: '#252b7d',
    950: '#000000',
  },
}

SCSS

$custom: #252b7d;
$custom-light: #6c64a3;
$custom-dark: #000000;

JSON

{
  "hex": "#252b7d",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 125
  },
  "hsl": {
    "h": 235.909,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34082,
    "c": 0.13669,
    "h": 273.4
  },
  "luminance": 0.03602
}

Semantic roles & 50–950 ramp

primary

#252B7D

secondary

#AFA94F

accent

#D44ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #252B7D

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

Preview Lab → · Contrast checker → · Palette generator →