#25478E#25478E

#25478E is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.124 H 262.9°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#25478E
RGB	rgb(37, 71, 142)
HSL	hsl(221, 59%, 35%)
HSV	hsv(221, 74%, 56%)
CMYK	cmyk(73.9%, 50%, 0%, 44.3%)
CIE-LAB	lab(31.47, 13.58, -43.02)
CIE-LCH	lch(31.47, 45.11, 287.52°)
OKLab	oklab(41.38% -0.0154 -0.1235)
OKLCH	oklch(41.38% 0.124 262.9)
XYZ	xyz(7.8969, 6.8519, 26.4923)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25478E #8E6C25

analogous

#257C8E #25478E #37258E

triadic

#25478E #8E2547 #478E25

tetradic

#25478E #8E257C #8E6C25 #258E37

square

#25478E #8E257C #8E6C25 #258E37

split-complementary

#25478E #8E3725 #7C8E25

monochromatic

#0C162D #182F5D #25478E #325FBF #5A81D4

Accessibility & contrast

On white

8.86

#25478E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#25478E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25478E

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25478E	#FFFFFF	#000000	##FFFFFF
##25478E	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4F91

Deuteranopia (green-blind)

#00468D

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #25478e;
/* rgb */ color: rgb(37, 71, 142);
/* oklch */ color: oklch(41.4% 0.124 262.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#25478e",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 142
  },
  "hsl": {
    "h": 220.571,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41382,
    "c": 0.12444,
    "h": 262.9
  },
  "luminance": 0.06853
}

Semantic roles & 50–950 ramp

primary

#25478E

secondary

#B99956

accent

#AF46E2

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #25478E

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

Preview Lab → · Contrast checker → · Palette generator →