#25478D#25478D

#25478D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.3% C 0.123 H 262.7°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#25478D
RGB	rgb(37, 71, 141)
HSL	hsl(220, 58%, 35%)
HSV	hsv(220, 74%, 55%)
CMYK	cmyk(73.8%, 49.6%, 0%, 44.7%)
CIE-LAB	lab(31.40, 13.18, -42.52)
CIE-LCH	lch(31.40, 44.51, 287.23°)
OKLab	oklab(41.31% -0.0155 -0.122)
OKLCH	oklch(41.31% 0.123 262.7)
XYZ	xyz(7.8222, 6.8220, 26.0987)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25478D #8D6B25

analogous

#257B8D #25478D #37258D

triadic

#25478D #8D2547 #478D25

tetradic

#25478D #8D257B #8D6B25 #258D37

square

#25478D #8D257B #8D6B25 #258D37

split-complementary

#25478D #8D3725 #7B8D25

monochromatic

#0C162C #182F5D #25478D #325FBD #5981D3

Accessibility & contrast

On white

8.88

#25478D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#25478D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25478D

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25478D	#FFFFFF	#000000	##FFFFFF
##25478D	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204F90

Deuteranopia (green-blind)

#01458C

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #25478d;
/* rgb */ color: rgb(37, 71, 141);
/* oklch */ color: oklch(41.3% 0.123 262.7);

Tailwind

colors: {
  custom: {
    50: '#6e79af',
    500: '#25478d',
    950: '#000000',
  },
}

SCSS

$custom: #25478d;
$custom-light: #6e79af;
$custom-dark: #000000;

JSON

{
  "hex": "#25478d",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 141
  },
  "hsl": {
    "h": 220.385,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.41307,
    "c": 0.12299,
    "h": 262.7
  },
  "luminance": 0.06823
}

Semantic roles & 50–950 ramp

primary

#25478D

secondary

#B89856

accent

#AF46E2

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #25478D

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

Preview Lab → · Contrast checker → · Palette generator →