#631690#631690

#631690 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.8% C 0.183 H 308.3°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#631690
RGB	rgb(99, 22, 144)
HSL	hsl(278, 73%, 33%)
HSV	hsv(278, 85%, 56%)
CMYK	cmyk(31.3%, 84.7%, 0%, 43.5%)
CIE-LAB	lab(27.41, 52.54, -50.56)
CIE-LCH	lch(27.41, 72.92, 316.10°)
OKLab	oklab(39.83% 0.1136 -0.1438)
OKLCH	oklch(39.83% 0.183 308.3)
XYZ	xyz(10.4655, 5.2403, 26.8403)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631690 #439016

analogous

#261690 #631690 #901680

triadic

#631690 #906316 #169063

tetradic

#631690 #902616 #439016 #168090

square

#631690 #902616 #439016 #168090

split-complementary

#631690 #809016 #169026

monochromatic

#1A0626 #3F0E5B #631690 #871EC5 #A63FE2

Accessibility & contrast

On white

10.25

#631690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#631690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631690

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631690	#FFFFFF	#000000	##FFFFFF
##631690	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#5C3755

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631690;
/* rgb */ color: rgb(99, 22, 144);
/* oklch */ color: oklch(39.8% 0.183 308.3);

Tailwind

colors: {
  custom: {
    50: '#955fb1',
    500: '#631690',
    950: '#000000',
  },
}

SCSS

$custom: #631690;
$custom-light: #955fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#631690",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 144
  },
  "hsl": {
    "h": 277.869,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39829,
    "c": 0.18329,
    "h": 308.3
  },
  "luminance": 0.0524
}

Semantic roles & 50–950 ramp

primary

#631690

secondary

#70C240

accent

#F0387C

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #631690

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

Preview Lab → · Contrast checker → · Palette generator →