#31147C#31147C

#31147C is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.5% C 0.159 H 285.6°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#31147C
RGB	rgb(49, 20, 124)
HSL	hsl(257, 72%, 28%)
HSV	hsv(257, 84%, 49%)
CMYK	cmyk(60.5%, 83.9%, 0%, 51.4%)
CIE-LAB	lab(18.40, 40.97, -53.03)
CIE-LCH	lch(18.40, 67.01, 307.69°)
OKLab	oklab(31.52% 0.0427 -0.1528)
OKLCH	oklch(31.52% 0.159 285.6)
XYZ	xyz(5.1538, 2.6082, 19.2967)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31147C #5F7C14

analogous

#142B7C #31147C #65147C

triadic

#31147C #7C3114 #147C31

tetradic

#31147C #7C142B #5F7C14 #147C65

square

#31147C #7C142B #5F7C14 #147C65

split-complementary

#31147C #7C6514 #2B7C14

monochromatic

#0A041A #1C0B47 #31147C #461DB1 #5E2DDD

Accessibility & contrast

On white

13.80

#31147C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#31147C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31147C

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31147C	#FFFFFF	#000000	##FFFFFF
##31147C	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#073449

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31147c;
/* rgb */ color: rgb(49, 20, 124);
/* oklch */ color: oklch(31.5% 0.159 285.6);

Tailwind

colors: {
  custom: {
    50: '#7457a3',
    500: '#31147c',
    950: '#000000',
  },
}

SCSS

$custom: #31147c;
$custom-light: #7457a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31147c",
  "rgb": {
    "r": 49,
    "g": 20,
    "b": 124
  },
  "hsl": {
    "h": 256.731,
    "s": 72.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31524,
    "c": 0.15863,
    "h": 285.6
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#31147C

secondary

#90B23A

accent

#EF39BC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31147C

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

Preview Lab → · Contrast checker → · Palette generator →