#25289C#25289C

#25289C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.182 H 272.0°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#25289C
RGB	rgb(37, 40, 156)
HSL	hsl(238, 62%, 38%)
HSV	hsv(238, 76%, 61%)
CMYK	cmyk(76.3%, 74.4%, 0%, 38.8%)
CIE-LAB	lab(24.67, 39.34, -62.68)
CIE-LCH	lch(24.67, 74.01, 302.11°)
OKLab	oklab(36.72% 0.0062 -0.1814)
OKLCH	oklch(36.72% 0.182 272)
XYZ	xyz(7.5205, 4.3104, 31.8817)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25289C #9C9925

analogous

#25649C #25289C #5D259C

triadic

#25289C #9C2528 #289C25

tetradic

#25289C #9C2564 #9C9925 #259C5D

square

#25289C #9C2564 #9C9925 #259C5D

split-complementary

#25289C #9C5D25 #649C25

monochromatic

#0E0F39 #191B6B #25289C #3135CD #6265DA

Accessibility & contrast

On white

11.28

#25289C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#25289C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25289C

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25289C	#FFFFFF	#000000	##FFFFFF
##25289C	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409F

Deuteranopia (green-blind)

#00359A

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #25289c;
/* rgb */ color: rgb(37, 40, 156);
/* oklch */ color: oklch(36.7% 0.182 272.0);

Tailwind

colors: {
  custom: {
    50: '#7463ba',
    500: '#25289c',
    950: '#000000',
  },
}

SCSS

$custom: #25289c;
$custom-light: #7463ba;
$custom-dark: #000000;

JSON

{
  "hex": "#25289c",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 156
  },
  "hsl": {
    "h": 238.487,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36721,
    "c": 0.18154,
    "h": 272
  },
  "luminance": 0.04311
}

Semantic roles & 50–950 ramp

primary

#25289C

secondary

#BFBD5E

accent

#E143E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #25289C

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

Preview Lab → · Contrast checker → · Palette generator →