#25289A#25289A

#25289A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.179 H 272.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#25289A
RGB	rgb(37, 40, 154)
HSL	hsl(238, 61%, 37%)
HSV	hsv(238, 76%, 60%)
CMYK	cmyk(76%, 74%, 0%, 39.6%)
CIE-LAB	lab(24.46, 38.65, -61.81)
CIE-LCH	lch(24.46, 72.90, 302.02°)
OKLab	oklab(36.51% 0.0066 -0.1789)
OKLCH	oklch(36.51% 0.179 272.1)
XYZ	xyz(7.3525, 4.2432, 30.9971)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25289A #9A9725

analogous

#25629A #25289A #5D259A

triadic

#25289A #9A2528 #289A25

tetradic

#25289A #9A2562 #9A9725 #259A5D

square

#25289A #9A2562 #9A9725 #259A5D

split-complementary

#25289A #9A5D25 #629A25

monochromatic

#0D0E37 #191B69 #25289A #3135CB #6064D9

Accessibility & contrast

On white

11.36

#25289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#25289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25289A

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25289A	#FFFFFF	#000000	##FFFFFF
##25289A	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #25289a;
/* rgb */ color: rgb(37, 40, 154);
/* oklch */ color: oklch(36.5% 0.179 272.1);

Tailwind

colors: {
  custom: {
    50: '#7463b9',
    500: '#25289a',
    950: '#000000',
  },
}

SCSS

$custom: #25289a;
$custom-light: #7463b9;
$custom-dark: #000000;

JSON

{
  "hex": "#25289a",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 238.462,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36506,
    "c": 0.17901,
    "h": 272.1
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#25289A

secondary

#BEBC5D

accent

#E043E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #25289A

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

Preview Lab → · Contrast checker → · Palette generator →