#25279B#25279B

#25279B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.181 H 272.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#25279B
RGB	rgb(37, 39, 155)
HSL	hsl(239, 61%, 38%)
HSV	hsv(239, 76%, 61%)
CMYK	cmyk(76.1%, 74.8%, 0%, 39.2%)
CIE-LAB	lab(24.35, 39.59, -62.60)
CIE-LCH	lch(24.35, 74.06, 302.31°)
OKLab	oklab(36.46% 0.0069 -0.1812)
OKLCH	oklch(36.46% 0.181 272.2)
XYZ	xyz(7.4029, 4.2101, 31.4265)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25279B #9B9925

analogous

#25629B #25279B #5E259B

triadic

#25279B #9B2527 #279B25

tetradic

#25279B #9B2562 #9B9925 #259B5E

square

#25279B #9B2562 #9B9925 #259B5E

split-complementary

#25279B #9B5E25 #629B25

monochromatic

#0D0E38 #191B6A #25279B #3133CC #6163D9

Accessibility & contrast

On white

11.40

#25279B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#25279B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25279B

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25279B	#FFFFFF	#000000	##FFFFFF
##25279B	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #25279b;
/* rgb */ color: rgb(37, 39, 155);
/* oklch */ color: oklch(36.5% 0.181 272.2);

Tailwind

colors: {
  custom: {
    50: '#7462ba',
    500: '#25279b',
    950: '#000000',
  },
}

SCSS

$custom: #25279b;
$custom-light: #7462ba;
$custom-dark: #000000;

JSON

{
  "hex": "#25279b",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 155
  },
  "hsl": {
    "h": 238.983,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36463,
    "c": 0.1813,
    "h": 272.2
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary

#25279B

secondary

#BFBD5D

accent

#E243E5

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #25279B

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

Preview Lab → · Contrast checker → · Palette generator →