#63178F#63178F

#63178F is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.8% C 0.182 H 308.6°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#63178F
RGB	rgb(99, 23, 143)
HSL	hsl(278, 72%, 33%)
HSV	hsv(278, 84%, 56%)
CMYK	cmyk(30.8%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(27.43, 52.01, -49.90)
CIE-LCH	lch(27.43, 72.08, 316.18°)
OKLab	oklab(39.82% 0.1132 -0.1419)
OKLCH	oklch(39.82% 0.182 308.6)
XYZ	xyz(10.4089, 5.2488, 26.4461)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63178F #438F17

analogous

#27178F #63178F #8F177F

triadic

#63178F #8F6317 #178F63

tetradic

#63178F #8F2717 #438F17 #177F8F

square

#63178F #8F2717 #438F17 #177F8F

split-complementary

#63178F #7F8F17 #178F27

monochromatic

#1A0626 #3F0F5A #63178F #871FC4 #A640E0

Accessibility & contrast

On white

10.24

#63178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#63178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63178F

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63178F	#FFFFFF	#000000	##FFFFFF
##63178F	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#5C3755

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #63178f;
/* rgb */ color: rgb(99, 23, 143);
/* oklch */ color: oklch(39.8% 0.182 308.6);

Tailwind

colors: {
  custom: {
    50: '#945fb1',
    500: '#63178f',
    950: '#000000',
  },
}

SCSS

$custom: #63178f;
$custom-light: #945fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#63178f",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 278,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39819,
    "c": 0.18152,
    "h": 308.6
  },
  "luminance": 0.05249
}

Semantic roles & 50–950 ramp

primary

#63178F

secondary

#70C141

accent

#EF397C

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #63178F

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

Preview Lab → · Contrast checker → · Palette generator →