#25288C#25288C

#25288C is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.161 H 273.1°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#25288C
RGB	rgb(37, 40, 140)
HSL	hsl(238, 58%, 35%)
HSV	hsv(238, 74%, 55%)
CMYK	cmyk(73.6%, 71.4%, 0%, 45.1%)
CIE-LAB	lab(23.01, 33.70, -55.55)
CIE-LCH	lch(23.01, 64.97, 301.24°)
OKLab	oklab(35.03% 0.0087 -0.1606)
OKLCH	oklch(35.03% 0.161 273.1)
XYZ	xyz(6.2538, 3.8037, 25.2105)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25288C #8C8925

analogous

#255C8C #25288C #55258C

triadic

#25288C #8C2528 #288C25

tetradic

#25288C #8C255C #8C8925 #258C55

square

#25288C #8C255C #8C8925 #258C55

split-complementary

#25288C #8C5525 #5C8C25

monochromatic

#0B0C2B #181A5C #25288C #3236BC #585CD3

Accessibility & contrast

On white

11.93

#25288C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#25288C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25288C

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25288C	#FFFFFF	#000000	##FFFFFF
##25288C	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#00328A

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #25288c;
/* rgb */ color: rgb(37, 40, 140);
/* oklch */ color: oklch(35.0% 0.161 273.1);

Tailwind

colors: {
  custom: {
    50: '#7062af',
    500: '#25288c',
    950: '#000000',
  },
}

SCSS

$custom: #25288c;
$custom-light: #7062af;
$custom-dark: #000000;

JSON

{
  "hex": "#25288c",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 140
  },
  "hsl": {
    "h": 238.252,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35033,
    "c": 0.16088,
    "h": 273.1
  },
  "luminance": 0.03804
}

Semantic roles & 50–950 ramp

primary

#25288C

secondary

#B8B555

accent

#DD46E1

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #25288C

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

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