#25188B#25188B

#25188B is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.176 H 275.6°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#25188B
RGB	rgb(37, 24, 139)
HSL	hsl(247, 71%, 32%)
HSV	hsv(247, 83%, 55%)
CMYK	cmyk(73.4%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(19.68, 42.47, -60.43)
CIE-LCH	lch(19.68, 73.86, 305.10°)
OKLab	oklab(32.65% 0.0171 -0.1747)
OKLCH	oklch(32.65% 0.176 275.6)
XYZ	xyz(5.7483, 2.9101, 24.6799)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25188B #7E8B18

analogous

#18448B #25188B #5F188B

triadic

#25188B #8B2518 #188B25

tetradic

#25188B #8B1844 #7E8B18 #188B5F

square

#25188B #8B1844 #7E8B18 #188B5F

split-complementary

#25188B #8B5F18 #448B18

monochromatic

#090623 #170F57 #25188B #3321BF #513FDE

Accessibility & contrast

On white

13.27

#25188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#25188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25188B

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25188B	#FFFFFF	#000000	##FFFFFF
##25188B	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002A89

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #25188b;
/* rgb */ color: rgb(37, 24, 139);
/* oklch */ color: oklch(32.6% 0.176 275.6);

Tailwind

colors: {
  custom: {
    50: '#7159ae',
    500: '#25188b',
    950: '#000000',
  },
}

SCSS

$custom: #25188b;
$custom-light: #7159ae;
$custom-dark: #000000;

JSON

{
  "hex": "#25188b",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 246.783,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32645,
    "c": 0.17552,
    "h": 275.6
  },
  "luminance": 0.02911
}

Semantic roles & 50–950 ramp

primary

#25188B

secondary

#B0BE40

accent

#ED3AD9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #25188B

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

Preview Lab → · Contrast checker → · Palette generator →