#631FAA#631FAA

#631FAA is a dark, highly saturated violet. Relative luminance 0.065; OKLCH L 42.8% C 0.201 H 299.6°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#631FAA
RGB	rgb(99, 31, 170)
HSL	hsl(269, 69%, 39%)
HSV	hsv(269, 82%, 67%)
CMYK	cmyk(41.8%, 81.8%, 0%, 33.3%)
CIE-LAB	lab(30.72, 55.49, -61.00)
CIE-LCH	lch(30.72, 82.46, 312.29°)
OKLab	oklab(42.83% 0.0991 -0.1745)
OKLCH	oklch(42.83% 0.201 299.6)
XYZ	xyz(12.8894, 6.5347, 38.6047)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631FAA #66AA1F

analogous

#1F20AA #631FAA #A91FAA

triadic

#631FAA #AA631F #1FAA63

tetradic

#631FAA #AA1F20 #66AA1F #1FAAA9

square

#631FAA #AA1F20 #66AA1F #1FAAA9

split-complementary

#631FAA #AAA91F #20AA1F

monochromatic

#270C42 #451676 #631FAA #812DD9 #A061E2

Accessibility & contrast

On white

9.10

#631FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#631FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631FAA

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631FAA	#FFFFFF	#000000	##FFFFFF
##631FAA	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AE

Deuteranopia (green-blind)

#0047A7

Tritanopia (blue-blind)

#524766

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #631faa;
/* rgb */ color: rgb(99, 31, 170);
/* oklch */ color: oklch(42.8% 0.201 299.6);

Tailwind

colors: {
  custom: {
    50: '#9764c4',
    500: '#631faa',
    950: '#000000',
  },
}

SCSS

$custom: #631faa;
$custom-light: #9764c4;
$custom-dark: #000000;

JSON

{
  "hex": "#631faa",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 170
  },
  "hsl": {
    "h": 269.353,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42829,
    "c": 0.20072,
    "h": 299.6
  },
  "luminance": 0.06535
}

Semantic roles & 50–950 ramp

primary

#631FAA

secondary

#94C75E

accent

#EC3C96

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #631FAA

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

Preview Lab → · Contrast checker → · Palette generator →