#25287D#25287D

#25287D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.141 H 274.3°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#25287D
RGB	rgb(37, 40, 125)
HSL	hsl(238, 54%, 32%)
HSV	hsv(238, 70%, 49%)
CMYK	cmyk(70.4%, 68%, 0%, 51%)
CIE-LAB	lab(21.55, 28.24, -48.53)
CIE-LCH	lch(21.55, 56.15, 300.20°)
OKLab	oklab(33.53% 0.0105 -0.1401)
OKLCH	oklch(33.53% 0.141 274.3)
XYZ	xyz(5.2222, 3.3911, 19.7774)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25287D #7D7A25

analogous

#25547D #25287D #4E257D

triadic

#25287D #7D2528 #287D25

tetradic

#25287D #7D2554 #7D7A25 #257D4E

square

#25287D #7D2554 #7D7A25 #257D4E

split-complementary

#25287D #7D4E25 #547D25

monochromatic

#090A1F #17194E #25287D #3337AC #5155CB

Accessibility & contrast

On white

12.51

#25287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#25287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25287D

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25287D	#FFFFFF	#000000	##FFFFFF
##25287D	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #25287d;
/* rgb */ color: rgb(37, 40, 125);
/* oklch */ color: oklch(33.5% 0.141 274.3);

Tailwind

colors: {
  custom: {
    50: '#6c62a3',
    500: '#25287d',
    950: '#000000',
  },
}

SCSS

$custom: #25287d;
$custom-light: #6c62a3;
$custom-dark: #000000;

JSON

{
  "hex": "#25287d",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 237.955,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33526,
    "c": 0.1405,
    "h": 274.3
  },
  "luminance": 0.03392
}

Semantic roles & 50–950 ramp

primary

#25287D

secondary

#AFAC4F

accent

#D94ADE

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #25287D

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

Preview Lab → · Contrast checker → · Palette generator →