#631CA9#631CA9

#631CA9 is a dark, highly saturated violet. Relative luminance 0.063; OKLCH L 42.5% C 0.202 H 300.1°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#631CA9
RGB	rgb(99, 28, 169)
HSL	hsl(270, 72%, 39%)
HSV	hsv(270, 83%, 66%)
CMYK	cmyk(41.4%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(30.27, 56.30, -61.13)
CIE-LCH	lch(30.27, 83.11, 312.64°)
OKLab	oklab(42.49% 0.1015 -0.1749)
OKLCH	oklch(42.49% 0.202 300.1)
XYZ	xyz(12.7205, 6.3476, 38.0835)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631CA9 #62A91C

analogous

#1C1CA9 #631CA9 #A91CA8

triadic

#631CA9 #A9631C #1CA963

tetradic

#631CA9 #A91C1C #62A91C #1CA8A9

square

#631CA9 #A91C1C #62A91C #1CA8A9

split-complementary

#631CA9 #A8A91C #1CA91C

monochromatic

#250B40 #441374 #631CA9 #8227DB #A05BE4

Accessibility & contrast

On white

9.25

#631CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#631CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631CA9

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631CA9	#FFFFFF	#000000	##FFFFFF
##631CA9	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AD

Deuteranopia (green-blind)

#0046A6

Tritanopia (blue-blind)

#524565

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #631ca9;
/* rgb */ color: rgb(99, 28, 169);
/* oklch */ color: oklch(42.5% 0.202 300.1);

Tailwind

colors: {
  custom: {
    50: '#9763c4',
    500: '#631ca9',
    950: '#000000',
  },
}

SCSS

$custom: #631ca9;
$custom-light: #9763c4;
$custom-dark: #000000;

JSON

{
  "hex": "#631ca9",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 270.213,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4249,
    "c": 0.20224,
    "h": 300.1
  },
  "luminance": 0.06348
}

Semantic roles & 50–950 ramp

primary

#631CA9

secondary

#90C859

accent

#EE3993

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #631CA9

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

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