#631E8B#631E8B

#631E8B is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.171 H 309.4°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#631E8B
RGB	rgb(99, 30, 139)
HSL	hsl(278, 64%, 33%)
HSV	hsv(278, 78%, 55%)
CMYK	cmyk(28.8%, 78.4%, 0%, 45.5%)
CIE-LAB	lab(27.97, 48.62, -46.55)
CIE-LCH	lch(27.97, 67.31, 316.25°)
OKLab	oklab(40.09% 0.1084 -0.1321)
OKLCH	oklch(40.09% 0.171 309.4)
XYZ	xyz(10.2691, 5.4455, 24.9312)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E8B #468B1E

analogous

#2D1E8B #631E8B #8B1E7C

triadic

#631E8B #8B631E #1E8B63

tetradic

#631E8B #8B2D1E #468B1E #1E7C8B

square

#631E8B #8B2D1E #468B1E #1E7C8B

split-complementary

#631E8B #7C8B1E #1E8B2D

monochromatic

#1B0826 #3F1359 #631E8B #8729BD #A44BD8

Accessibility & contrast

On white

10.05

#631E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#631E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E8B

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E8B	#FFFFFF	#000000	##FFFFFF
##631E8B	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#5D3954

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631e8b;
/* rgb */ color: rgb(99, 30, 139);
/* oklch */ color: oklch(40.1% 0.171 309.4);

Tailwind

colors: {
  custom: {
    50: '#9462ae',
    500: '#631e8b',
    950: '#000000',
  },
}

SCSS

$custom: #631e8b;
$custom-light: #9462ae;
$custom-dark: #000000;

JSON

{
  "hex": "#631e8b",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 139
  },
  "hsl": {
    "h": 277.982,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40093,
    "c": 0.17089,
    "h": 309.4
  },
  "luminance": 0.05445
}

Semantic roles & 50–950 ramp

primary

#631E8B

secondary

#73BB4A

accent

#E7407E

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631E8B

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

Preview Lab → · Contrast checker → · Palette generator →