#31259B#31259B

#31259B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.180 H 277.4°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#31259B
RGB	rgb(49, 37, 155)
HSL	hsl(246, 61%, 38%)
HSV	hsv(246, 76%, 61%)
CMYK	cmyk(68.4%, 76.1%, 0%, 39.2%)
CIE-LAB	lab(24.77, 41.94, -61.88)
CIE-LCH	lch(24.77, 74.75, 304.13°)
OKLab	oklab(36.97% 0.0234 -0.1788)
OKLCH	oklch(36.97% 0.18 277.4)
XYZ	xyz(7.8427, 4.3420, 31.4288)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31259B #8F9B25

analogous

#25549B #31259B #6C259B

triadic

#31259B #9B3125 #259B31

tetradic

#31259B #9B2554 #8F9B25 #259B6C

square

#31259B #9B2554 #8F9B25 #259B6C

split-complementary

#31259B #9B6C25 #549B25

monochromatic

#120D38 #21196A #31259B #4131CC #6D61D9

Accessibility & contrast

On white

11.24

#31259B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#31259B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31259B

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31259B	#FFFFFF	#000000	##FFFFFF
##31259B	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)

#00409E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31259b;
/* rgb */ color: rgb(49, 37, 155);
/* oklch */ color: oklch(37.0% 0.180 277.4);

Tailwind

colors: {
  custom: {
    50: '#7962ba',
    500: '#31259b',
    950: '#000000',
  },
}

SCSS

$custom: #31259b;
$custom-light: #7962ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31259b",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 155
  },
  "hsl": {
    "h": 246.102,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36973,
    "c": 0.1803,
    "h": 277.4
  },
  "luminance": 0.04343
}

Semantic roles & 50–950 ramp

primary

#31259B

secondary

#B5BF5D

accent

#E543D4

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31259B

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

Preview Lab → · Contrast checker → · Palette generator →