#631F93#631F93

#631F93 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.8% C 0.178 H 306.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#631F93
RGB	rgb(99, 31, 147)
HSL	hsl(275, 65%, 35%)
HSV	hsv(275, 79%, 58%)
CMYK	cmyk(32.7%, 78.9%, 0%, 42.4%)
CIE-LAB	lab(28.75, 50.06, -50.24)
CIE-LCH	lch(28.75, 70.92, 314.90°)
OKLab	oklab(40.84% 0.1057 -0.1429)
OKLCH	oklch(40.84% 0.178 306.5)
XYZ	xyz(10.9009, 5.7393, 28.1316)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F93 #4F931F

analogous

#291F93 #631F93 #931F89

triadic

#631F93 #93631F #1F9363

tetradic

#631F93 #93291F #4F931F #1F8993

square

#631F93 #93291F #4F931F #1F8993

split-complementary

#631F93 #89931F #1F9329

monochromatic

#1F0A2E #411460 #631F93 #852AC6 #A252DA

Accessibility & contrast

On white

9.78

#631F93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#631F93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F93

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F93	#FFFFFF	#000000	##FFFFFF
##631F93	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004296

Deuteranopia (green-blind)

#004491

Tritanopia (blue-blind)

#5B3D58

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #631f93;
/* rgb */ color: rgb(99, 31, 147);
/* oklch */ color: oklch(40.8% 0.178 306.5);

Tailwind

colors: {
  custom: {
    50: '#9463b4',
    500: '#631f93',
    950: '#000000',
  },
}

SCSS

$custom: #631f93;
$custom-light: #9463b4;
$custom-dark: #000000;

JSON

{
  "hex": "#631f93",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 147
  },
  "hsl": {
    "h": 275.172,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40839,
    "c": 0.17777,
    "h": 306.5
  },
  "luminance": 0.05739
}

Semantic roles & 50–950 ramp

primary

#631F93

secondary

#7DBE50

accent

#E84085

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #631F93

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

Preview Lab → · Contrast checker → · Palette generator →