#25287A#25287A

#25287A is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.136 H 274.5°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#25287A
RGB	rgb(37, 40, 122)
HSL	hsl(238, 53%, 31%)
HSV	hsv(238, 70%, 48%)
CMYK	cmyk(69.7%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(21.27, 27.13, -47.08)
CIE-LCH	lch(21.27, 54.34, 299.95°)
OKLab	oklab(33.24% 0.0108 -0.1359)
OKLCH	oklch(33.24% 0.136 274.5)
XYZ	xyz(5.0334, 3.3156, 18.7833)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25287A #7A7725

analogous

#25527A #25287A #4C257A

triadic

#25287A #7A2528 #287A25

tetradic

#25287A #7A2552 #7A7725 #257A4C

square

#25287A #7A2552 #7A7725 #257A4C

split-complementary

#25287A #7A4C25 #527A25

monochromatic

#09091C #17194B #25287A #3337A9 #5054CA

Accessibility & contrast

On white

12.63

#25287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#25287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25287A

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25287A	#FFFFFF	#000000	##FFFFFF
##25287A	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #25287a;
/* rgb */ color: rgb(37, 40, 122);
/* oklch */ color: oklch(33.2% 0.136 274.5);

Tailwind

colors: {
  custom: {
    50: '#6c62a1',
    500: '#25287a',
    950: '#000000',
  },
}

SCSS

$custom: #25287a;
$custom-light: #6c62a1;
$custom-dark: #000000;

JSON

{
  "hex": "#25287a",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 237.882,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33235,
    "c": 0.1363,
    "h": 274.5
  },
  "luminance": 0.03316
}

Semantic roles & 50–950 ramp

primary

#25287A

secondary

#ACA94E

accent

#D84BDD

background

#F6F5FA

surface

#ECEAF3

border

#C7C6CD

text

#08050F

muted

#7A797F

Preview Lab

Preview with #25287A

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

Preview Lab → · Contrast checker → · Palette generator →