#631A8E#631A8E

#631A8E is a dark, vivid violet. Relative luminance 0.053; OKLCH L 40.0% C 0.178 H 308.7°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#631A8E
RGB	rgb(99, 26, 142)
HSL	hsl(278, 69%, 33%)
HSV	hsv(278, 82%, 56%)
CMYK	cmyk(30.3%, 81.7%, 0%, 44.3%)
CIE-LAB	lab(27.69, 50.78, -48.85)
CIE-LCH	lch(27.69, 70.47, 316.11°)
OKLab	oklab(39.98% 0.1112 -0.1388)
OKLCH	oklch(39.98% 0.178 308.7)
XYZ	xyz(10.3965, 5.3446, 26.0699)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A8E #458E1A

analogous

#291A8E #631A8E #8E1A7F

triadic

#631A8E #8E631A #1A8E63

tetradic

#631A8E #8E291A #458E1A #1A7F8E

square

#631A8E #8E291A #458E1A #1A7F8E

split-complementary

#631A8E #7F8E1A #1A8E29

monochromatic

#1B0727 #3F115A #631A8E #8723C2 #A545DD

Accessibility & contrast

On white

10.15

#631A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#631A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A8E

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A8E	#FFFFFF	#000000	##FFFFFF
##631A8E	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#5C3855

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631a8e;
/* rgb */ color: rgb(99, 26, 142);
/* oklch */ color: oklch(40.0% 0.178 308.7);

Tailwind

colors: {
  custom: {
    50: '#9461b0',
    500: '#631a8e',
    950: '#000000',
  },
}

SCSS

$custom: #631a8e;
$custom-light: #9461b0;
$custom-dark: #000000;

JSON

{
  "hex": "#631a8e",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 142
  },
  "hsl": {
    "h": 277.759,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39977,
    "c": 0.17786,
    "h": 308.7
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary

#631A8E

secondary

#72BE45

accent

#EC3C7D

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631A8E

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

Preview Lab → · Contrast checker → · Palette generator →