#661E8C#661E8C

#661E8C is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.173 H 310.6°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#661E8C
RGB	rgb(102, 30, 140)
HSL	hsl(279, 65%, 33%)
HSV	hsv(279, 79%, 55%)
CMYK	cmyk(27.1%, 78.6%, 0%, 45.1%)
CIE-LAB	lab(28.50, 49.42, -46.28)
CIE-LCH	lch(28.50, 67.71, 316.88°)
OKLab	oklab(40.59% 0.1124 -0.1312)
OKLCH	oklch(40.59% 0.173 310.6)
XYZ	xyz(10.6765, 5.6470, 25.3334)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E8C #448C1E

analogous

#2F1E8C #661E8C #8C1E7B

triadic

#661E8C #8C661E #1E8C66

tetradic

#661E8C #8C2F1E #448C1E #1E7B8C

square

#661E8C #8C2F1E #448C1E #1E7B8C

split-complementary

#661E8C #7B8C1E #1E8C2F

monochromatic

#1D0827 #41135A #661E8C #8B29BE #A84CD9

Accessibility & contrast

On white

9.86

#661E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#661E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E8C

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E8C	#FFFFFF	#000000	##FFFFFF
##661E8C	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408F

Deuteranopia (green-blind)

#01448A

Tritanopia (blue-blind)

#613954

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661e8c;
/* rgb */ color: rgb(102, 30, 140);
/* oklch */ color: oklch(40.6% 0.173 310.6);

Tailwind

colors: {
  custom: {
    50: '#9663ae',
    500: '#661e8c',
    950: '#000000',
  },
}

SCSS

$custom: #661e8c;
$custom-light: #9663ae;
$custom-dark: #000000;

JSON

{
  "hex": "#661e8c",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 140
  },
  "hsl": {
    "h": 279.273,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40589,
    "c": 0.17277,
    "h": 310.6
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#661E8C

secondary

#72BB4B

accent

#E8407A

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661E8C

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

Preview Lab → · Contrast checker → · Palette generator →