#63188F#63188F

#63188F is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.181 H 308.5°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#63188F
RGB	rgb(99, 24, 143)
HSL	hsl(278, 71%, 33%)
HSV	hsv(278, 83%, 56%)
CMYK	cmyk(30.8%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(27.54, 51.68, -49.72)
CIE-LCH	lch(27.54, 71.72, 316.11°)
OKLab	oklab(39.9% 0.1125 -0.1414)
OKLCH	oklch(39.9% 0.181 308.5)
XYZ	xyz(10.4291, 5.2893, 26.4528)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63188F #448F18

analogous

#27188F #63188F #8F187F

triadic

#63188F #8F6318 #188F63

tetradic

#63188F #8F2718 #448F18 #187F8F

square

#63188F #8F2718 #448F18 #187F8F

split-complementary

#63188F #7F8F18 #188F27

monochromatic

#1A0626 #3F0F5B #63188F #8721C3 #A542DF

Accessibility & contrast

On white

10.21

#63188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#63188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63188F

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63188F	#FFFFFF	#000000	##FFFFFF
##63188F	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#5C3855

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #63188f;
/* rgb */ color: rgb(99, 24, 143);
/* oklch */ color: oklch(39.9% 0.181 308.5);

Tailwind

colors: {
  custom: {
    50: '#9460b1',
    500: '#63188f',
    950: '#000000',
  },
}

SCSS

$custom: #63188f;
$custom-light: #9460b1;
$custom-dark: #000000;

JSON

{
  "hex": "#63188f",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 277.815,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39897,
    "c": 0.18064,
    "h": 308.5
  },
  "luminance": 0.05289
}

Semantic roles & 50–950 ramp

primary

#63188F

secondary

#71C043

accent

#EE3A7C

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #63188F

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

Preview Lab → · Contrast checker → · Palette generator →