#25188A#25188A

#25188A is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.174 H 275.7°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#25188A
RGB	rgb(37, 24, 138)
HSL	hsl(247, 70%, 32%)
HSV	hsv(247, 83%, 54%)
CMYK	cmyk(73.2%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(19.56, 42.15, -60.00)
CIE-LCH	lch(19.56, 73.32, 305.09°)
OKLab	oklab(32.53% 0.0174 -0.1734)
OKLCH	oklch(32.53% 0.174 275.7)
XYZ	xyz(5.6755, 2.8810, 24.2968)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25188A #7D8A18

analogous

#18448A #25188A #5E188A

triadic

#25188A #8A2518 #188A25

tetradic

#25188A #8A1844 #7D8A18 #188A5E

square

#25188A #8A1844 #7D8A18 #188A5E

split-complementary

#25188A #8A5E18 #448A18

monochromatic

#090622 #170F56 #25188A #3321BE #513FDE

Accessibility & contrast

On white

13.32

#25188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#25188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25188A

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25188A	#FFFFFF	#000000	##FFFFFF
##25188A	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002A88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #25188a;
/* rgb */ color: rgb(37, 24, 138);
/* oklch */ color: oklch(32.5% 0.174 275.7);

Tailwind

colors: {
  custom: {
    50: '#7159ad',
    500: '#25188a',
    950: '#000000',
  },
}

SCSS

$custom: #25188a;
$custom-light: #7159ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25188a",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 246.842,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32527,
    "c": 0.17432,
    "h": 275.7
  },
  "luminance": 0.02882
}

Semantic roles & 50–950 ramp

primary

#25188A

secondary

#AFBD40

accent

#ED3BD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #25188A

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

Preview Lab → · Contrast checker → · Palette generator →