#631C9D#631C9D

#631C9D is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.4% C 0.191 H 303.6°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#631C9D
RGB	rgb(99, 28, 157)
HSL	hsl(273, 70%, 36%)
HSV	hsv(273, 82%, 62%)
CMYK	cmyk(36.9%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(29.20, 53.49, -55.61)
CIE-LCH	lch(29.20, 77.17, 313.89°)
OKLab	oklab(41.42% 0.1054 -0.1587)
OKLCH	oklch(41.42% 0.191 303.6)
XYZ	xyz(11.6452, 5.9175, 32.4204)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C9D #569D1C

analogous

#221C9D #631C9D #9D1C97

triadic

#631C9D #9D631C #1C9D63

tetradic

#631C9D #9D221C #569D1C #1C979D

square

#631C9D #9D221C #569D1C #1C979D

split-complementary

#631C9D #979D1C #1C9D22

monochromatic

#220935 #421369 #631C9D #8425D1 #A153E0

Accessibility & contrast

On white

9.62

#631C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#631C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C9D

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C9D	#FFFFFF	#000000	##FFFFFF
##631C9D	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#00459B

Tritanopia (blue-blind)

#57405E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #631c9d;
/* rgb */ color: rgb(99, 28, 157);
/* oklch */ color: oklch(41.4% 0.191 303.6);

Tailwind

colors: {
  custom: {
    50: '#9562bb',
    500: '#631c9d',
    950: '#000000',
  },
}

SCSS

$custom: #631c9d;
$custom-light: #9562bb;
$custom-dark: #000000;

JSON

{
  "hex": "#631c9d",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 273.023,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41421,
    "c": 0.19052,
    "h": 303.6
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#631C9D

secondary

#85C351

accent

#ED3B8B

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631C9D

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

Preview Lab → · Contrast checker → · Palette generator →