#25278F#25278F

#25278F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.166 H 273.1°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#25278F
RGB	rgb(37, 39, 143)
HSL	hsl(239, 59%, 35%)
HSV	hsv(239, 74%, 56%)
CMYK	cmyk(74.1%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(23.09, 35.39, -57.28)
CIE-LCH	lch(23.09, 67.34, 301.71°)
OKLab	oklab(35.18% 0.0089 -0.1657)
OKLCH	oklch(35.18% 0.166 273.1)
XYZ	xyz(6.4447, 3.8269, 26.3803)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25278F #8F8D25

analogous

#255C8F #25278F #58258F

triadic

#25278F #8F2527 #278F25

tetradic

#25278F #8F255C #8F8D25 #258F58

square

#25278F #8F255C #8F8D25 #258F58

split-complementary

#25278F #8F5825 #5C8F25

monochromatic

#0C0C2E #181A5E #25278F #3234C0 #5A5CD4

Accessibility & contrast

On white

11.89

#25278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#25278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25278F

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25278F	#FFFFFF	#000000	##FFFFFF
##25278F	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #25278f;
/* rgb */ color: rgb(37, 39, 143);
/* oklch */ color: oklch(35.2% 0.166 273.1);

Tailwind

colors: {
  custom: {
    50: '#7162b1',
    500: '#25278f',
    950: '#000000',
  },
}

SCSS

$custom: #25278f;
$custom-light: #7162b1;
$custom-dark: #000000;

JSON

{
  "hex": "#25278f",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 238.868,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35183,
    "c": 0.16594,
    "h": 273.1
  },
  "luminance": 0.03828
}

Semantic roles & 50–950 ramp

primary

#25278F

secondary

#B9B757

accent

#DF46E2

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #25278F

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

Preview Lab → · Contrast checker → · Palette generator →