#631A8F#631A8F

#631A8F is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.179 H 308.3°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#631A8F
RGB	rgb(99, 26, 143)
HSL	hsl(277, 69%, 33%)
HSV	hsv(277, 82%, 56%)
CMYK	cmyk(30.8%, 81.8%, 0%, 43.9%)
CIE-LAB	lab(27.78, 51.01, -49.34)
CIE-LCH	lch(27.78, 70.97, 315.95°)
OKLab	oklab(40.06% 0.1109 -0.1403)
OKLCH	oklch(40.06% 0.179 308.3)
XYZ	xyz(10.4719, 5.3748, 26.4671)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A8F #468F1A

analogous

#281A8F #631A8F #8F1A80

triadic

#631A8F #8F631A #1A8F63

tetradic

#631A8F #8F281A #468F1A #1A808F

square

#631A8F #8F281A #468F1A #1A808F

split-complementary

#631A8F #808F1A #1A8F28

monochromatic

#1B0727 #3F115B #631A8F #8723C3 #A446DD

Accessibility & contrast

On white

10.12

#631A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#631A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A8F

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A8F	#FFFFFF	#000000	##FFFFFF
##631A8F	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#5C3955

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631a8f;
/* rgb */ color: rgb(99, 26, 143);
/* oklch */ color: oklch(40.1% 0.179 308.3);

Tailwind

colors: {
  custom: {
    50: '#9461b1',
    500: '#631a8f',
    950: '#000000',
  },
}

SCSS

$custom: #631a8f;
$custom-light: #9461b1;
$custom-dark: #000000;

JSON

{
  "hex": "#631a8f",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 143
  },
  "hsl": {
    "h": 277.436,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4006,
    "c": 0.17881,
    "h": 308.3
  },
  "luminance": 0.05375
}

Semantic roles & 50–950 ramp

primary

#631A8F

secondary

#73BF46

accent

#EC3C7E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631A8F

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

Preview Lab → · Contrast checker → · Palette generator →