#631E8D#631E8D

#631E8D is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.173 H 308.7°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#631E8D
RGB	rgb(99, 30, 141)
HSL	hsl(277, 65%, 34%)
HSV	hsv(277, 79%, 55%)
CMYK	cmyk(29.8%, 78.7%, 0%, 44.7%)
CIE-LAB	lab(28.13, 49.08, -47.53)
CIE-LCH	lch(28.13, 68.32, 315.92°)
OKLab	oklab(40.25% 0.108 -0.135)
OKLCH	oklch(40.25% 0.173 308.7)
XYZ	xyz(10.4166, 5.5045, 25.7079)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E8D #488D1E

analogous

#2B1E8D #631E8D #8D1E7F

triadic

#631E8D #8D631E #1E8D63

tetradic

#631E8D #8D2B1E #488D1E #1E7F8D

square

#631E8D #8D2B1E #488D1E #1E7F8D

split-complementary

#631E8D #7F8D1E #1E8D2B

monochromatic

#1C0928 #40135B #631E8D #8629BF #A44CD9

Accessibility & contrast

On white

10.00

#631E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#631E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E8D

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E8D	#FFFFFF	#000000	##FFFFFF
##631E8D	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#5C3A55

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631e8d;
/* rgb */ color: rgb(99, 30, 141);
/* oklch */ color: oklch(40.3% 0.173 308.7);

Tailwind

colors: {
  custom: {
    50: '#9462af',
    500: '#631e8d',
    950: '#000000',
  },
}

SCSS

$custom: #631e8d;
$custom-light: #9462af;
$custom-dark: #000000;

JSON

{
  "hex": "#631e8d",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 141
  },
  "hsl": {
    "h": 277.297,
    "s": 64.912,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40254,
    "c": 0.17286,
    "h": 308.7
  },
  "luminance": 0.05504
}

Semantic roles & 50–950 ramp

primary

#631E8D

secondary

#76BC4B

accent

#E8407F

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #631E8D

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

Preview Lab → · Contrast checker → · Palette generator →