#25188C#25188C

#25188C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.8% C 0.177 H 275.5°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#25188C
RGB	rgb(37, 24, 140)
HSL	hsl(247, 71%, 32%)
HSV	hsv(247, 83%, 55%)
CMYK	cmyk(73.6%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(19.80, 42.78, -60.85)
CIE-LCH	lch(19.80, 74.39, 305.11°)
OKLab	oklab(32.76% 0.0168 -0.1759)
OKLCH	oklch(32.76% 0.177 275.5)
XYZ	xyz(5.8217, 2.9395, 25.0664)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25188C #7F8C18

analogous

#18458C #25188C #5F188C

triadic

#25188C #8C2518 #188C25

tetradic

#25188C #8C1845 #7F8C18 #188C5F

square

#25188C #8C1845 #7F8C18 #188C5F

split-complementary

#25188C #8C5F18 #458C18

monochromatic

#090624 #170F58 #25188C #3321C0 #5240DE

Accessibility & contrast

On white

13.22

#25188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#25188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25188C

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25188C	#FFFFFF	#000000	##FFFFFF
##25188C	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358F

Deuteranopia (green-blind)

#002B8A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #25188c;
/* rgb */ color: rgb(37, 24, 140);
/* oklch */ color: oklch(32.8% 0.177 275.5);

Tailwind

colors: {
  custom: {
    50: '#7259af',
    500: '#25188c',
    950: '#000000',
  },
}

SCSS

$custom: #25188c;
$custom-light: #7259af;
$custom-dark: #000000;

JSON

{
  "hex": "#25188c",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 246.724,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32763,
    "c": 0.17673,
    "h": 275.5
  },
  "luminance": 0.0294
}

Semantic roles & 50–950 ramp

primary

#25188C

secondary

#B1BF41

accent

#ED3AD9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #25188C

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

Preview Lab → · Contrast checker → · Palette generator →