#25289F#25289F

#25289F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.185 H 271.8°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#25289F
RGB	rgb(37, 40, 159)
HSL	hsl(239, 62%, 38%)
HSV	hsv(239, 77%, 62%)
CMYK	cmyk(76.7%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(24.99, 40.38, -63.98)
CIE-LCH	lch(24.99, 75.66, 302.25°)
OKLab	oklab(37.05% 0.0057 -0.1852)
OKLCH	oklch(37.05% 0.185 271.8)
XYZ	xyz(7.7776, 4.4133, 33.2361)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25289F #9F9C25

analogous

#25659F #25289F #5F259F

triadic

#25289F #9F2528 #289F25

tetradic

#25289F #9F2565 #9F9C25 #259F5F

square

#25289F #9F2565 #9F9C25 #259F5F

split-complementary

#25289F #9F5F25 #659F25

monochromatic

#0E0F3C #191C6D #25289F #3236CF #6466DB

Accessibility & contrast

On white

11.15

#25289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#25289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25289F

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25289F	#FFFFFF	#000000	##FFFFFF
##25289F	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A2

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #25289f;
/* rgb */ color: rgb(37, 40, 159);
/* oklch */ color: oklch(37.0% 0.185 271.8);

Tailwind

colors: {
  custom: {
    50: '#7563bd',
    500: '#25289f',
    950: '#000000',
  },
}

SCSS

$custom: #25289f;
$custom-light: #7563bd;
$custom-dark: #000000;

JSON

{
  "hex": "#25289f",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 238.525,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37045,
    "c": 0.18531,
    "h": 271.8
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#25289F

secondary

#C0BE5F

accent

#E142E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #25289F

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

Preview Lab → · Contrast checker → · Palette generator →