#63188E#63188E

#63188E is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.8% C 0.180 H 308.9°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#63188E
RGB	rgb(99, 24, 142)
HSL	hsl(278, 71%, 33%)
HSV	hsv(278, 83%, 56%)
CMYK	cmyk(30.3%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(27.46, 51.46, -49.24)
CIE-LCH	lch(27.46, 71.22, 316.27°)
OKLab	oklab(39.81% 0.1127 -0.1399)
OKLCH	oklch(39.81% 0.18 308.9)
XYZ	xyz(10.3537, 5.2591, 26.0556)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63188E #438E18

analogous

#28188E #63188E #8E187E

triadic

#63188E #8E6318 #188E63

tetradic

#63188E #8E2818 #438E18 #187E8E

square

#63188E #8E2818 #438E18 #187E8E

split-complementary

#63188E #7E8E18 #188E28

monochromatic

#1A0625 #3F0F5A #63188E #8721C2 #A641DF

Accessibility & contrast

On white

10.23

#63188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#63188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63188E

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63188E	#FFFFFF	#000000	##FFFFFF
##63188E	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#5C3754

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #63188e;
/* rgb */ color: rgb(99, 24, 142);
/* oklch */ color: oklch(39.8% 0.180 308.9);

Tailwind

colors: {
  custom: {
    50: '#9460b0',
    500: '#63188e',
    950: '#000000',
  },
}

SCSS

$custom: #63188e;
$custom-light: #9460b0;
$custom-dark: #000000;

JSON

{
  "hex": "#63188e",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 278.136,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39813,
    "c": 0.1797,
    "h": 308.9
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary

#63188E

secondary

#70C042

accent

#EE3A7C

background

#F9F5FA

surface

#F2EAF5

border

#CCC6CF

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #63188E

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

Preview Lab → · Contrast checker → · Palette generator →