#631380#631380

#631380 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.3% C 0.171 H 314.5°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#631380
RGB	rgb(99, 19, 128)
HSL	hsl(284, 74%, 29%)
HSV	hsv(284, 85%, 50%)
CMYK	cmyk(22.7%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(25.79, 50.04, -43.19)
CIE-LCH	lch(25.79, 66.10, 319.20°)
OKLab	oklab(38.3% 0.12 -0.1221)
OKLCH	oklch(38.3% 0.171 314.5)
XYZ	xyz(9.2741, 4.6772, 20.8322)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631380 #308013

analogous

#2D1380 #631380 #801367

triadic

#631380 #806313 #138063

tetradic

#631380 #802D13 #308013 #136780

square

#631380 #802D13 #308013 #136780

split-complementary

#631380 #678013 #13802D

monochromatic

#15041B #3A0B4B #631380 #8C1BB5 #B02DE0

Accessibility & contrast

On white

10.85

#631380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#631380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631380

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631380	#FFFFFF	#000000	##FFFFFF
##631380	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003983

Deuteranopia (green-blind)

#073F7E

Tritanopia (blue-blind)

#602F4B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631380;
/* rgb */ color: rgb(99, 19, 128);
/* oklch */ color: oklch(38.3% 0.171 314.5);

Tailwind

colors: {
  custom: {
    50: '#945da6',
    500: '#631380',
    950: '#000000',
  },
}

SCSS

$custom: #631380;
$custom-light: #945da6;
$custom-dark: #000000;

JSON

{
  "hex": "#631380",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 284.037,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38298,
    "c": 0.17123,
    "h": 314.5
  },
  "luminance": 0.04677
}

Semantic roles & 50–950 ramp

primary

#631380

secondary

#5AB539

accent

#F13768

background

#F9F5FA

surface

#F2E9F4

border

#CCC5CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #631380

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

Preview Lab → · Contrast checker → · Palette generator →