#661C8F#661C8F

#661C8F is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.178 H 309.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#661C8F
RGB	rgb(102, 28, 143)
HSL	hsl(279, 67%, 34%)
HSV	hsv(279, 80%, 56%)
CMYK	cmyk(28.7%, 80.4%, 0%, 43.9%)
CIE-LAB	lab(28.48, 50.83, -48.17)
CIE-LCH	lch(28.48, 70.03, 316.54°)
OKLab	oklab(40.65% 0.1135 -0.1367)
OKLCH	oklch(40.65% 0.178 309.7)
XYZ	xyz(10.8517, 5.6387, 26.4980)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C8F #458F1C

analogous

#2D1C8F #661C8F #8F1C7E

triadic

#661C8F #8F661C #1C8F66

tetradic

#661C8F #8F2D1C #458F1C #1C7E8F

square

#661C8F #8F2D1C #458F1C #1C7E8F

split-complementary

#661C8F #7E8F1C #1C8F2D

monochromatic

#1D0829 #41125C #661C8F #8B26C2 #A84ADC

Accessibility & contrast

On white

9.87

#661C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#661C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C8F

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C8F	#FFFFFF	#000000	##FFFFFF
##661C8F	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#603956

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661c8f;
/* rgb */ color: rgb(102, 28, 143);
/* oklch */ color: oklch(40.6% 0.178 309.7);

Tailwind

colors: {
  custom: {
    50: '#9662b1',
    500: '#661c8f',
    950: '#000000',
  },
}

SCSS

$custom: #661c8f;
$custom-light: #9662b1;
$custom-dark: #000000;

JSON

{
  "hex": "#661c8f",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 143
  },
  "hsl": {
    "h": 278.609,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40647,
    "c": 0.17772,
    "h": 309.7
  },
  "luminance": 0.05638
}

Semantic roles & 50–950 ramp

primary

#661C8F

secondary

#73BE49

accent

#EA3E7B

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661C8F

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

Preview Lab → · Contrast checker → · Palette generator →