#25318C#25318C

#25318C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.150 H 271.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#25318C
RGB	rgb(37, 49, 140)
HSL	hsl(233, 58%, 35%)
HSV	hsv(233, 74%, 55%)
CMYK	cmyk(73.6%, 65%, 0%, 45.1%)
CIE-LAB	lab(25.21, 27.83, -51.95)
CIE-LCH	lch(25.21, 58.93, 298.18°)
OKLab	oklab(36.63% 0.0027 -0.1501)
OKLCH	oklch(36.63% 0.15 271)
XYZ	xyz(6.5933, 4.4827, 25.3236)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25318C #8C8025

analogous

#25648C #25318C #4D258C

triadic

#25318C #8C2531 #318C25

tetradic

#25318C #8C2564 #8C8025 #258C4D

square

#25318C #8C2564 #8C8025 #258C4D

split-complementary

#25318C #8C4D25 #648C25

monochromatic

#0B0F2B #18205C #25318C #3242BC #5867D3

Accessibility & contrast

On white

11.07

#25318C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#25318C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25318C

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25318C	#FFFFFF	#000000	##FFFFFF
##25318C	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #25318c;
/* rgb */ color: rgb(37, 49, 140);
/* oklch */ color: oklch(36.6% 0.150 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f69ae',
    500: '#25318c',
    950: '#000000',
  },
}

SCSS

$custom: #25318c;
$custom-light: #6f69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#25318c",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 140
  },
  "hsl": {
    "h": 233.01,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.36631,
    "c": 0.15008,
    "h": 271
  },
  "luminance": 0.04483
}

Semantic roles & 50–950 ramp

primary

#25318C

secondary

#B8AC55

accent

#CF46E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #25318C

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

Preview Lab → · Contrast checker → · Palette generator →