#631F9F#631F9F

#631F9F is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.9% C 0.190 H 302.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#631F9F
RGB	rgb(99, 31, 159)
HSL	hsl(272, 67%, 37%)
HSV	hsv(272, 81%, 62%)
CMYK	cmyk(37.7%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(29.75, 52.87, -55.94)
CIE-LCH	lch(29.75, 76.97, 313.39°)
OKLab	oklab(41.86% 0.1025 -0.1597)
OKLCH	oklch(41.86% 0.19 302.7)
XYZ	xyz(11.8921, 6.1358, 33.3520)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F9F #5B9F1F

analogous

#231F9F #631F9F #9F1F9B

triadic

#631F9F #9F631F #1F9F63

tetradic

#631F9F #9F231F #5B9F1F #1F9B9F

square

#631F9F #9F231F #5B9F1F #1F9B9F

split-complementary

#631F9F #9B9F1F #1F9F23

monochromatic

#230B39 #43156C #631F9F #8329D2 #A05ADF

Accessibility & contrast

On white

9.43

#631F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#631F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F9F

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F9F	#FFFFFF	#000000	##FFFFFF
##631F9F	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#56425F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #631f9f;
/* rgb */ color: rgb(99, 31, 159);
/* oklch */ color: oklch(41.9% 0.190 302.7);

Tailwind

colors: {
  custom: {
    50: '#9564bc',
    500: '#631f9f',
    950: '#000000',
  },
}

SCSS

$custom: #631f9f;
$custom-light: #9564bc;
$custom-dark: #000000;

JSON

{
  "hex": "#631f9f",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 271.875,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41856,
    "c": 0.18974,
    "h": 302.7
  },
  "luminance": 0.06136
}

Semantic roles & 50–950 ramp

primary

#631F9F

secondary

#8AC357

accent

#EA3E8F

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631F9F

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

Preview Lab → · Contrast checker → · Palette generator →