#25278D#25278D

#25278D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.163 H 273.2°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#25278D
RGB	rgb(37, 39, 141)
HSL	hsl(239, 58%, 35%)
HSV	hsv(239, 74%, 55%)
CMYK	cmyk(73.8%, 72.3%, 0%, 44.7%)
CIE-LAB	lab(22.89, 34.68, -56.38)
CIE-LCH	lch(22.89, 66.19, 301.60°)
OKLab	oklab(34.97% 0.0092 -0.1631)
OKLCH	oklch(34.97% 0.163 273.2)
XYZ	xyz(6.2946, 3.7668, 25.5895)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25278D #8D8B25

analogous

#255B8D #25278D #57258D

triadic

#25278D #8D2527 #278D25

tetradic

#25278D #8D255B #8D8B25 #258D57

square

#25278D #8D255B #8D8B25 #258D57

split-complementary

#25278D #8D5725 #5B8D25

monochromatic

#0C0C2C #181A5D #25278D #3234BD #595BD3

Accessibility & contrast

On white

11.98

#25278D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#25278D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25278D

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25278D	#FFFFFF	#000000	##FFFFFF
##25278D	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #25278d;
/* rgb */ color: rgb(37, 39, 141);
/* oklch */ color: oklch(35.0% 0.163 273.2);

Tailwind

colors: {
  custom: {
    50: '#7062af',
    500: '#25278d',
    950: '#000000',
  },
}

SCSS

$custom: #25278d;
$custom-light: #7062af;
$custom-dark: #000000;

JSON

{
  "hex": "#25278d",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 141
  },
  "hsl": {
    "h": 238.846,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34973,
    "c": 0.16332,
    "h": 273.2
  },
  "luminance": 0.03767
}

Semantic roles & 50–950 ramp

primary

#25278D

secondary

#B8B656

accent

#DF46E2

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #25278D

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

Preview Lab → · Contrast checker → · Palette generator →