#252B7F#252B7F

#252B7F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.3% C 0.140 H 273.3°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#252B7F
RGB	rgb(37, 43, 127)
HSL	hsl(236, 55%, 32%)
HSV	hsv(236, 71%, 50%)
CMYK	cmyk(70.9%, 66.1%, 0%, 50.2%)
CIE-LAB	lab(22.49, 26.98, -48.25)
CIE-LCH	lch(22.49, 55.28, 299.21°)
OKLab	oklab(34.27% 0.008 -0.1393)
OKLCH	oklch(34.27% 0.14 273.3)
XYZ	xyz(5.4563, 3.6529, 20.4921)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B7F #7F7925

analogous

#25587F #252B7F #4C257F

triadic

#252B7F #7F252B #2B7F25

tetradic

#252B7F #7F2558 #7F7925 #257F4C

square

#252B7F #7F2558 #7F7925 #257F4C

split-complementary

#252B7F #7F4C25 #587F25

monochromatic

#090B20 #171B50 #252B7F #333BAE #525ACD

Accessibility & contrast

On white

12.13

#252B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#252B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B7F

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B7F	#FFFFFF	#000000	##FFFFFF
##252B7F	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A82

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #252b7f;
/* rgb */ color: rgb(37, 43, 127);
/* oklch */ color: oklch(34.3% 0.140 273.3);

Tailwind

colors: {
  custom: {
    50: '#6d64a5',
    500: '#252b7f',
    950: '#000000',
  },
}

SCSS

$custom: #252b7f;
$custom-light: #6d64a5;
$custom-dark: #000000;

JSON

{
  "hex": "#252b7f",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 127
  },
  "hsl": {
    "h": 236,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34272,
    "c": 0.13951,
    "h": 273.3
  },
  "luminance": 0.03653
}

Semantic roles & 50–950 ramp

primary

#252B7F

secondary

#B1AA4F

accent

#D44ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #252B7F

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

Preview Lab → · Contrast checker → · Palette generator →