#25308C#25308C

#25308C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.151 H 271.3°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#25308C
RGB	rgb(37, 48, 140)
HSL	hsl(234, 58%, 35%)
HSV	hsv(234, 74%, 55%)
CMYK	cmyk(73.6%, 65.7%, 0%, 45.1%)
CIE-LAB	lab(24.95, 28.49, -52.37)
CIE-LCH	lch(24.95, 59.62, 298.55°)
OKLab	oklab(36.44% 0.0034 -0.1513)
OKLCH	oklch(36.44% 0.151 271.3)
XYZ	xyz(6.5519, 4.4000, 25.3098)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25308C #8C8125

analogous

#25648C #25308C #4D258C

triadic

#25308C #8C2530 #308C25

tetradic

#25308C #8C2564 #8C8125 #258C4D

square

#25308C #8C2564 #8C8125 #258C4D

split-complementary

#25308C #8C4D25 #648C25

monochromatic

#0B0F2B #181F5C #25308C #3241BC #5866D3

Accessibility & contrast

On white

11.17

#25308C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#25308C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25308C

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25308C	#FFFFFF	#000000	##FFFFFF
##25308C	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408F

Deuteranopia (green-blind)

#00368A

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #25308c;
/* rgb */ color: rgb(37, 48, 140);
/* oklch */ color: oklch(36.4% 0.151 271.3);

Tailwind

colors: {
  custom: {
    50: '#6f68ae',
    500: '#25308c',
    950: '#000000',
  },
}

SCSS

$custom: #25308c;
$custom-light: #6f68ae;
$custom-dark: #000000;

JSON

{
  "hex": "#25308c",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 140
  },
  "hsl": {
    "h": 233.592,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.36444,
    "c": 0.15133,
    "h": 271.3
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary

#25308C

secondary

#B8AD55

accent

#D146E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #25308C

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

Preview Lab → · Contrast checker → · Palette generator →