#63308B#63308B

#63308B is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.2% C 0.148 H 306.9°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#63308B
RGB	rgb(99, 48, 139)
HSL	hsl(274, 49%, 37%)
HSV	hsv(274, 65%, 55%)
CMYK	cmyk(28.8%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(30.95, 40.26, -41.73)
CIE-LCH	lch(30.95, 57.98, 313.98°)
OKLab	oklab(42.22% 0.0887 -0.118)
OKLCH	oklch(42.22% 0.148 306.9)
XYZ	xyz(10.8618, 6.6308, 25.1287)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63308B #588B30

analogous

#36308B #63308B #8B3086

triadic

#63308B #8B6330 #308B63

tetradic

#63308B #8B3630 #588B30 #30868B

square

#63308B #8B3630 #588B30 #30868B

split-complementary

#63308B #868B30 #308B36

monochromatic

#221130 #43205E #63308B #8340B8 #A16ACC

Accessibility & contrast

On white

9.03

#63308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#63308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63308B

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63308B	#FFFFFF	#000000	##FFFFFF
##63308B	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478E

Deuteranopia (green-blind)

#1D4989

Tritanopia (blue-blind)

#5C4359

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #63308b;
/* rgb */ color: rgb(99, 48, 139);
/* oklch */ color: oklch(42.2% 0.148 306.9);

Tailwind

colors: {
  custom: {
    50: '#936cad',
    500: '#63308b',
    950: '#000000',
  },
}

SCSS

$custom: #63308b;
$custom-light: #936cad;
$custom-dark: #000000;

JSON

{
  "hex": "#63308b",
  "rgb": {
    "r": 99,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 273.626,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42221,
    "c": 0.14767,
    "h": 306.9
  },
  "luminance": 0.06631
}

Semantic roles & 50–950 ramp

primary

#63308B

secondary

#87B364

accent

#D8508C

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #63308B

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

Preview Lab → · Contrast checker → · Palette generator →