#252B7E#252B7E

#252B7E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.138 H 273.3°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#252B7E
RGB	rgb(37, 43, 126)
HSL	hsl(236, 55%, 32%)
HSV	hsv(236, 71%, 49%)
CMYK	cmyk(70.6%, 65.9%, 0%, 50.6%)
CIE-LAB	lab(22.40, 26.61, -47.77)
CIE-LCH	lch(22.40, 54.68, 299.12°)
OKLab	oklab(34.18% 0.0081 -0.1379)
OKLCH	oklch(34.18% 0.138 273.3)
XYZ	xyz(5.3915, 3.6269, 20.1506)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B7E #7E7825

analogous

#25587E #252B7E #4C257E

triadic

#252B7E #7E252B #2B7E25

tetradic

#252B7E #7E2558 #7E7825 #257E4C

square

#252B7E #7E2558 #7E7825 #257E4C

split-complementary

#252B7E #7E4C25 #587E25

monochromatic

#090B1F #171B4F #252B7E #333BAD #515ACC

Accessibility & contrast

On white

12.17

#252B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#252B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B7E

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B7E	#FFFFFF	#000000	##FFFFFF
##252B7E	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A81

Deuteranopia (green-blind)

#00327C

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #252b7e;
/* rgb */ color: rgb(37, 43, 126);
/* oklch */ color: oklch(34.2% 0.138 273.3);

Tailwind

colors: {
  custom: {
    50: '#6c64a4',
    500: '#252b7e',
    950: '#000000',
  },
}

SCSS

$custom: #252b7e;
$custom-light: #6c64a4;
$custom-dark: #000000;

JSON

{
  "hex": "#252b7e",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 126
  },
  "hsl": {
    "h": 235.955,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34176,
    "c": 0.1381,
    "h": 273.3
  },
  "luminance": 0.03627
}

Semantic roles & 50–950 ramp

primary

#252B7E

secondary

#B0AA4F

accent

#D44ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #252B7E

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

Preview Lab → · Contrast checker → · Palette generator →