#25319B#25319B

#25319B is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.170 H 270.5°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#25319B
RGB	rgb(37, 49, 155)
HSL	hsl(234, 61%, 38%)
HSV	hsv(234, 76%, 61%)
CMYK	cmyk(76.1%, 68.4%, 0%, 39.2%)
CIE-LAB	lab(26.61, 33.40, -58.88)
CIE-LCH	lch(26.61, 67.70, 299.56°)
OKLab	oklab(38.08% 0.0016 -0.1704)
OKLCH	oklch(38.08% 0.17 270.5)
XYZ	xyz(7.7756, 4.9557, 31.5507)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25319B #9B8F25

analogous

#256C9B #25319B #54259B

triadic

#25319B #9B2531 #319B25

tetradic

#25319B #9B256C #9B8F25 #259B54

square

#25319B #9B256C #9B8F25 #259B54

split-complementary

#25319B #9B5425 #6C9B25

monochromatic

#0D1238 #19216A #25319B #3141CC #616DD9

Accessibility & contrast

On white

10.55

#25319B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#25319B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25319B

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25319B	#FFFFFF	#000000	##FFFFFF
##25319B	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #25319b;
/* rgb */ color: rgb(37, 49, 155);
/* oklch */ color: oklch(38.1% 0.170 270.5);

Tailwind

colors: {
  custom: {
    50: '#7369ba',
    500: '#25319b',
    950: '#000000',
  },
}

SCSS

$custom: #25319b;
$custom-light: #7369ba;
$custom-dark: #000000;

JSON

{
  "hex": "#25319b",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 155
  },
  "hsl": {
    "h": 233.898,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38084,
    "c": 0.17037,
    "h": 270.5
  },
  "luminance": 0.04956
}

Semantic roles & 50–950 ramp

primary

#25319B

secondary

#BFB55D

accent

#D443E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #25319B

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

Preview Lab → · Contrast checker → · Palette generator →