#63179E#63179E

#63179E is a dark, vivid violet. Relative luminance 0.057; OKLCH L 41.1% C 0.196 H 303.7°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#63179E
RGB	rgb(99, 23, 158)
HSL	hsl(274, 75%, 35%)
HSV	hsv(274, 85%, 62%)
CMYK	cmyk(37.3%, 85.4%, 0%, 38%)
CIE-LAB	lab(28.73, 55.36, -57.00)
CIE-LCH	lch(28.73, 79.46, 314.17°)
OKLab	oklab(41.12% 0.1085 -0.1627)
OKLCH	oklch(41.12% 0.196 303.7)
XYZ	xyz(11.6221, 5.7341, 32.8356)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63179E #529E17

analogous

#20179E #63179E #9E1795

triadic

#63179E #9E6317 #179E63

tetradic

#63179E #9E2017 #529E17 #17959E

square

#63179E #9E2017 #529E17 #17959E

split-complementary

#63179E #959E17 #179E20

monochromatic

#200733 #420F69 #63179E #841FD3 #A14BE5

Accessibility & contrast

On white

9.78

#63179E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#63179E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63179E

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63179E	#FFFFFF	#000000	##FFFFFF
##63179E	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#573E5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #63179e;
/* rgb */ color: rgb(99, 23, 158);
/* oklch */ color: oklch(41.1% 0.196 303.7);

Tailwind

colors: {
  custom: {
    50: '#9660bc',
    500: '#63179e',
    950: '#000000',
  },
}

SCSS

$custom: #63179e;
$custom-light: #9660bc;
$custom-dark: #000000;

JSON

{
  "hex": "#63179e",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 158
  },
  "hsl": {
    "h": 273.778,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41121,
    "c": 0.1956,
    "h": 303.7
  },
  "luminance": 0.05734
}

Semantic roles & 50–950 ramp

primary

#63179E

secondary

#81C64A

accent

#F13788

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0512

muted

#7E7A81

Preview Lab

Preview with #63179E

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

Preview Lab → · Contrast checker → · Palette generator →