#25379D#25379D

#25379D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.166 H 269.2°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#25379D
RGB	rgb(37, 55, 157)
HSL	hsl(231, 62%, 38%)
HSV	hsv(231, 76%, 62%)
CMYK	cmyk(76.4%, 65%, 0%, 38.4%)
CIE-LAB	lab(28.27, 30.22, -57.37)
CIE-LCH	lch(28.27, 64.85, 297.78°)
OKLab	oklab(39.36% -0.0022 -0.1659)
OKLCH	oklch(39.36% 0.166 269.2)
XYZ	xyz(8.2128, 5.5591, 32.5319)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25379D #9D8B25

analogous

#25739D #25379D #4F259D

triadic

#25379D #9D2537 #379D25

tetradic

#25379D #9D2573 #9D8B25 #259D4F

square

#25379D #9D2573 #9D8B25 #259D4F

split-complementary

#25379D #9D4F25 #739D25

monochromatic

#0E143A #19266B #25379D #3148CE #6274DA

Accessibility & contrast

On white

9.94

#25379D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#25379D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25379D

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25379D	#FFFFFF	#000000	##FFFFFF
##25379D	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A0

Deuteranopia (green-blind)

#003D9B

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #25379d;
/* rgb */ color: rgb(37, 55, 157);
/* oklch */ color: oklch(39.4% 0.166 269.2);

Tailwind

colors: {
  custom: {
    50: '#736dbb',
    500: '#25379d',
    950: '#000000',
  },
}

SCSS

$custom: #25379d;
$custom-light: #736dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#25379d",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 157
  },
  "hsl": {
    "h": 231,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39358,
    "c": 0.16592,
    "h": 269.2
  },
  "luminance": 0.0556
}

Semantic roles & 50–950 ramp

primary

#25379D

secondary

#BFB15E

accent

#CD43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25379D

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

Preview Lab → · Contrast checker → · Palette generator →