#31187D#31187D

#31187D is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.1% C 0.156 H 284.8°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#31187D
RGB	rgb(49, 24, 125)
HSL	hsl(255, 68%, 29%)
HSV	hsv(255, 81%, 49%)
CMYK	cmyk(60.8%, 80.8%, 0%, 51%)
CIE-LAB	lab(19.17, 39.36, -52.40)
CIE-LCH	lch(19.17, 65.54, 306.91°)
OKLab	oklab(32.09% 0.0398 -0.151)
OKLCH	oklch(32.09% 0.156 284.8)
XYZ	xyz(5.2938, 2.7866, 19.6570)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31187D #647D18

analogous

#18327D #31187D #64187D

triadic

#31187D #7D3118 #187D31

tetradic

#31187D #7D1832 #647D18 #187D64

square

#31187D #7D1832 #647D18 #187D64

split-complementary

#31187D #7D6418 #327D18

monochromatic

#0A051A #1D0E4A #31187D #4522B0 #5F37D9

Accessibility & contrast

On white

13.48

#31187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#31187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31187D

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31187D	#FFFFFF	#000000	##FFFFFF
##31187D	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003180

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#04364A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #31187d;
/* rgb */ color: rgb(49, 24, 125);
/* oklch */ color: oklch(32.1% 0.156 284.8);

Tailwind

colors: {
  custom: {
    50: '#7459a4',
    500: '#31187d',
    950: '#000000',
  },
}

SCSS

$custom: #31187d;
$custom-light: #7459a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31187d",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 254.851,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32088,
    "c": 0.15615,
    "h": 284.8
  },
  "luminance": 0.02787
}

Semantic roles & 50–950 ramp

primary

#31187D

secondary

#95B23F

accent

#EB3DC0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #31187D

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

Preview Lab → · Contrast checker → · Palette generator →