#661D90#661D90

#661D90 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.8% C 0.178 H 309.3°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#661D90
RGB	rgb(102, 29, 144)
HSL	hsl(278, 66%, 34%)
HSV	hsv(278, 80%, 56%)
CMYK	cmyk(29.2%, 79.9%, 0%, 43.5%)
CIE-LAB	lab(28.69, 50.69, -48.46)
CIE-LCH	lch(28.69, 70.12, 316.29°)
OKLab	oklab(40.82% 0.1124 -0.1376)
OKLCH	oklch(40.82% 0.178 309.3)
XYZ	xyz(10.9519, 5.7173, 26.9068)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D90 #47901D

analogous

#2D1D90 #661D90 #901D81

triadic

#661D90 #90661D #1D9066

tetradic

#661D90 #902D1D #47901D #1D8190

square

#661D90 #902D1D #47901D #1D8190

split-complementary

#661D90 #81901D #1D902D

monochromatic

#1E082A #42135D #661D90 #8A27C3 #A74CDB

Accessibility & contrast

On white

9.80

#661D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#661D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D90

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D90	#FFFFFF	#000000	##FFFFFF
##661D90	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00458E

Tritanopia (blue-blind)

#603A56

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661d90;
/* rgb */ color: rgb(102, 29, 144);
/* oklch */ color: oklch(40.8% 0.178 309.3);

Tailwind

colors: {
  custom: {
    50: '#9662b1',
    500: '#661d90',
    950: '#000000',
  },
}

SCSS

$custom: #661d90;
$custom-light: #9662b1;
$custom-dark: #000000;

JSON

{
  "hex": "#661d90",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 278.087,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40817,
    "c": 0.17768,
    "h": 309.3
  },
  "luminance": 0.05717
}

Semantic roles & 50–950 ramp

primary

#661D90

secondary

#75BD4B

accent

#E93E7D

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661D90

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

Preview Lab → · Contrast checker → · Palette generator →