#663E95#663E95

#663E95 is a mid, vivid violet. Relative luminance 0.084; OKLCH L 45.4% C 0.139 H 302.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#663E95
RGB	rgb(102, 62, 149)
HSL	hsl(268, 41%, 41%)
HSV	hsv(268, 58%, 58%)
CMYK	cmyk(31.5%, 58.4%, 0%, 41.6%)
CIE-LAB	lab(34.88, 35.80, -41.53)
CIE-LCH	lch(34.88, 54.83, 310.76°)
OKLab	oklab(45.38% 0.0745 -0.1174)
OKLCH	oklch(45.38% 0.139 302.4)
XYZ	xyz(12.6257, 8.4399, 29.3919)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E95 #6D953E

analogous

#3E4295 #663E95 #923E95

triadic

#663E95 #95663E #3E9566

tetradic

#663E95 #953E42 #6D953E #3E9592

square

#663E95 #953E42 #6D953E #3E9592

split-complementary

#663E95 #95923E #42953E

monochromatic

#2B1A3F #482C6A #663E95 #8457B9 #A482CB

Accessibility & contrast

On white

7.81

#663E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#663E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E95

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E95	#FFFFFF	#000000	##FFFFFF
##663E95	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185198

Deuteranopia (green-blind)

#295293

Tritanopia (blue-blind)

#5D4F63

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #663e95;
/* rgb */ color: rgb(102, 62, 149);
/* oklch */ color: oklch(45.4% 0.139 302.4);

Tailwind

colors: {
  custom: {
    50: '#9575b5',
    500: '#663e95',
    950: '#000000',
  },
}

SCSS

$custom: #663e95;
$custom-light: #9575b5;
$custom-dark: #000000;

JSON

{
  "hex": "#663e95",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 149
  },
  "hsl": {
    "h": 267.586,
    "s": 41.232,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4538,
    "c": 0.13904,
    "h": 302.4
  },
  "luminance": 0.0844
}

Semantic roles & 50–950 ramp

primary

#663E95

secondary

#9AB57A

accent

#D15799

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0D0811

muted

#7E7B80

Preview Lab

Preview with #663E95

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

Preview Lab → · Contrast checker → · Palette generator →