#631E8E#631E8E

#631E8E is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.174 H 308.3°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#631E8E
RGB	rgb(99, 30, 142)
HSL	hsl(277, 65%, 34%)
HSV	hsv(277, 79%, 56%)
CMYK	cmyk(30.3%, 78.9%, 0%, 44.3%)
CIE-LAB	lab(28.21, 49.30, -48.02)
CIE-LCH	lch(28.21, 68.83, 315.75°)
OKLab	oklab(40.34% 0.1078 -0.1364)
OKLCH	oklch(40.34% 0.174 308.3)
XYZ	xyz(10.4913, 5.5344, 26.1015)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E8E #498E1E

analogous

#2B1E8E #631E8E #8E1E81

triadic

#631E8E #8E631E #1E8E63

tetradic

#631E8E #8E2B1E #498E1E #1E818E

square

#631E8E #8E2B1E #498E1E #1E818E

split-complementary

#631E8E #818E1E #1E8E2B

monochromatic

#1D0929 #40135B #631E8E #8629C1 #A34DD9

Accessibility & contrast

On white

9.97

#631E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#631E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E8E

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E8E	#FFFFFF	#000000	##FFFFFF
##631E8E	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#5C3A55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631e8e;
/* rgb */ color: rgb(99, 30, 142);
/* oklch */ color: oklch(40.3% 0.174 308.3);

Tailwind

colors: {
  custom: {
    50: '#9462b0',
    500: '#631e8e',
    950: '#000000',
  },
}

SCSS

$custom: #631e8e;
$custom-light: #9462b0;
$custom-dark: #000000;

JSON

{
  "hex": "#631e8e",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 142
  },
  "hsl": {
    "h": 276.964,
    "s": 65.116,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40335,
    "c": 0.17385,
    "h": 308.3
  },
  "luminance": 0.05534
}

Semantic roles & 50–950 ramp

primary

#631E8E

secondary

#77BC4C

accent

#E84080

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #631E8E

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

Preview Lab → · Contrast checker → · Palette generator →