#63188D#63188D

#63188D is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.179 H 309.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#63188D
RGB	rgb(99, 24, 141)
HSL	hsl(278, 71%, 32%)
HSV	hsv(278, 83%, 55%)
CMYK	cmyk(29.8%, 83%, 0%, 44.7%)
CIE-LAB	lab(27.38, 51.24, -48.75)
CIE-LCH	lch(27.38, 70.73, 316.43°)
OKLab	oklab(39.73% 0.113 -0.1385)
OKLCH	oklch(39.73% 0.179 309.2)
XYZ	xyz(10.2790, 5.2292, 25.6620)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63188D #428D18

analogous

#29188D #63188D #8D187C

triadic

#63188D #8D6318 #188D63

tetradic

#63188D #8D2918 #428D18 #187C8D

square

#63188D #8D2918 #428D18 #187C8D

split-complementary

#63188D #7C8D18 #188D29

monochromatic

#1A0624 #3E0F59 #63188D #8821C1 #A641DF

Accessibility & contrast

On white

10.26

#63188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#63188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63188D

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63188D	#FFFFFF	#000000	##FFFFFF
##63188D	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#5D3754

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #63188d;
/* rgb */ color: rgb(99, 24, 141);
/* oklch */ color: oklch(39.7% 0.179 309.2);

Tailwind

colors: {
  custom: {
    50: '#9460af',
    500: '#63188d',
    950: '#000000',
  },
}

SCSS

$custom: #63188d;
$custom-light: #9460af;
$custom-dark: #000000;

JSON

{
  "hex": "#63188d",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 278.462,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3973,
    "c": 0.17876,
    "h": 309.2
  },
  "luminance": 0.05229
}

Semantic roles & 50–950 ramp

primary

#63188D

secondary

#6FBF42

accent

#EE3A7B

background

#F9F5FA

surface

#F2EAF5

border

#CCC6CF

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #63188D

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

Preview Lab → · Contrast checker → · Palette generator →