#25488B#25488B

#25488B is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.4% C 0.119 H 261.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#25488B
RGB	rgb(37, 72, 139)
HSL	hsl(219, 58%, 35%)
HSV	hsv(219, 73%, 55%)
CMYK	cmyk(73.4%, 48.2%, 0%, 45.5%)
CIE-LAB	lab(31.56, 11.72, -41.03)
CIE-LCH	lch(31.56, 42.67, 285.94°)
OKLab	oklab(41.39% -0.0168 -0.1176)
OKLCH	oklch(41.39% 0.119 261.9)
XYZ	xyz(7.7389, 6.8913, 25.3434)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25488B #8B6825

analogous

#257B8B #25488B #35258B

triadic

#25488B #8B2548 #488B25

tetradic

#25488B #8B257B #8B6825 #258B35

square

#25488B #8B257B #8B6825 #258B35

split-complementary

#25488B #8B3525 #7B8B25

monochromatic

#0B162A #182F5B #25488B #3261BB #5882D3

Accessibility & contrast

On white

8.83

#25488B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#25488B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25488B

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25488B	#FFFFFF	#000000	##FFFFFF
##25488B	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254F8D

Deuteranopia (green-blind)

#0C468A

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #25488b;
/* rgb */ color: rgb(37, 72, 139);
/* oklch */ color: oklch(41.4% 0.119 261.9);

Tailwind

colors: {
  custom: {
    50: '#6d7aad',
    500: '#25488b',
    950: '#000000',
  },
}

SCSS

$custom: #25488b;
$custom-light: #6d7aad;
$custom-dark: #000000;

JSON

{
  "hex": "#25488b",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 139
  },
  "hsl": {
    "h": 219.412,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41385,
    "c": 0.11881,
    "h": 261.9
  },
  "luminance": 0.06892
}

Semantic roles & 50–950 ramp

primary

#25488B

secondary

#B79555

accent

#AC47E1

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #25488B

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

Preview Lab → · Contrast checker → · Palette generator →