#25289D#25289D

#25289D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.183 H 271.9°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#25289D
RGB	rgb(37, 40, 157)
HSL	hsl(239, 62%, 38%)
HSV	hsv(239, 76%, 62%)
CMYK	cmyk(76.4%, 74.5%, 0%, 38.4%)
CIE-LAB	lab(24.78, 39.69, -63.12)
CIE-LCH	lch(24.78, 74.56, 302.16°)
OKLab	oklab(36.83% 0.0061 -0.1827)
OKLCH	oklch(36.83% 0.183 271.9)
XYZ	xyz(7.6055, 4.3444, 32.3295)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25289D #9D9A25

analogous

#25649D #25289D #5E259D

triadic

#25289D #9D2528 #289D25

tetradic

#25289D #9D2564 #9D9A25 #259D5E

square

#25289D #9D2564 #9D9A25 #259D5E

split-complementary

#25289D #9D5E25 #649D25

monochromatic

#0E0F3A #191B6B #25289D #3135CE #6265DA

Accessibility & contrast

On white

11.24

#25289D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#25289D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25289D

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25289D	#FFFFFF	#000000	##FFFFFF
##25289D	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00359B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #25289d;
/* rgb */ color: rgb(37, 40, 157);
/* oklch */ color: oklch(36.8% 0.183 271.9);

Tailwind

colors: {
  custom: {
    50: '#7463bb',
    500: '#25289d',
    950: '#000000',
  },
}

SCSS

$custom: #25289d;
$custom-light: #7463bb;
$custom-dark: #000000;

JSON

{
  "hex": "#25289d",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 157
  },
  "hsl": {
    "h": 238.5,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36829,
    "c": 0.1828,
    "h": 271.9
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#25289D

secondary

#BFBD5E

accent

#E143E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #25289D

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

Preview Lab → · Contrast checker → · Palette generator →