#661D88#661D88

#661D88 is a dark, vivid purple. Relative luminance 0.055; OKLCH L 40.2% C 0.170 H 312.2°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#661D88
RGB	rgb(102, 29, 136)
HSL	hsl(281, 65%, 32%)
HSV	hsv(281, 79%, 53%)
CMYK	cmyk(25%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(28.06, 48.92, -44.50)
CIE-LCH	lch(28.06, 66.14, 317.71°)
OKLab	oklab(40.18% 0.1141 -0.126)
OKLCH	oklch(40.18% 0.17 312.2)
XYZ	xyz(10.3620, 5.4814, 23.7999)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.90

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D88 #3F881D

analogous

#311D88 #661D88 #881D74

triadic

#661D88 #88661D #1D8866

tetradic

#661D88 #88311D #3F881D #1D7488

square

#661D88 #88311D #3F881D #1D7488

split-complementary

#661D88 #74881D #1D8831

monochromatic

#1A0723 #401256 #661D88 #8C28BA #AA48D8

Accessibility & contrast

On white

10.02

#661D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#661D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D88

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D88	#FFFFFF	#000000	##FFFFFF
##661D88	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8B

Deuteranopia (green-blind)

#0B4486

Tritanopia (blue-blind)

#623652

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661d88;
/* rgb */ color: rgb(102, 29, 136);
/* oklch */ color: oklch(40.2% 0.170 312.2);

Tailwind

colors: {
  custom: {
    50: '#9662ab',
    500: '#661d88',
    950: '#000000',
  },
}

SCSS

$custom: #661d88;
$custom-light: #9662ab;
$custom-dark: #000000;

JSON

{
  "hex": "#661d88",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 280.935,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40183,
    "c": 0.16998,
    "h": 312.2
  },
  "luminance": 0.05481
}

Semantic roles & 50–950 ramp

primary

#661D88

secondary

#6BBA47

accent

#E84075

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661D88

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

Preview Lab → · Contrast checker → · Palette generator →