#25288A#25288A

#25288A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.8% C 0.158 H 273.3°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#25288A
RGB	rgb(37, 40, 138)
HSL	hsl(238, 58%, 34%)
HSV	hsv(238, 73%, 54%)
CMYK	cmyk(73.2%, 71%, 0%, 45.9%)
CIE-LAB	lab(22.81, 32.98, -54.63)
CIE-LCH	lch(22.81, 63.82, 301.12°)
OKLab	oklab(34.83% 0.009 -0.158)
OKLCH	oklch(34.83% 0.158 273.3)
XYZ	xyz(6.1077, 3.7453, 24.4409)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25288A #8A8725

analogous

#255B8A #25288A #55258A

triadic

#25288A #8A2528 #288A25

tetradic

#25288A #8A255B #8A8725 #258A55

square

#25288A #8A255B #8A8725 #258A55

split-complementary

#25288A #8A5525 #5B8A25

monochromatic

#0B0C29 #181A5A #25288A #3236BA #575BD2

Accessibility & contrast

On white

12.01

#25288A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#25288A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25288A

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25288A	#FFFFFF	#000000	##FFFFFF
##25288A	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #25288a;
/* rgb */ color: rgb(37, 40, 138);
/* oklch */ color: oklch(34.8% 0.158 273.3);

Tailwind

colors: {
  custom: {
    50: '#7062ad',
    500: '#25288a',
    950: '#000000',
  },
}

SCSS

$custom: #25288a;
$custom-light: #7062ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25288a",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 138
  },
  "hsl": {
    "h": 238.218,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34828,
    "c": 0.15822,
    "h": 273.3
  },
  "luminance": 0.03746
}

Semantic roles & 50–950 ramp

primary

#25288A

secondary

#B7B454

accent

#DC47E1

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #25288A

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

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