#661E8A#661E8A

#661E8A is a dark, vivid purple. Relative luminance 0.056; OKLCH L 40.4% C 0.171 H 311.3°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#661E8A
RGB	rgb(102, 30, 138)
HSL	hsl(280, 64%, 33%)
HSV	hsv(280, 78%, 54%)
CMYK	cmyk(26.1%, 78.3%, 0%, 45.9%)
CIE-LAB	lab(28.35, 48.98, -45.29)
CIE-LCH	lch(28.35, 66.71, 317.24°)
OKLab	oklab(40.43% 0.1128 -0.1283)
OKLCH	oklch(40.43% 0.171 311.3)
XYZ	xyz(10.5303, 5.5886, 24.5638)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E8A #428A1E

analogous

#301E8A #661E8A #8A1E78

triadic

#661E8A #8A661E #1E8A66

tetradic

#661E8A #8A301E #428A1E #1E788A

square

#661E8A #8A301E #428A1E #1E788A

split-complementary

#661E8A #788A1E #1E8A30

monochromatic

#1C0825 #411358 #661E8A #8B29BC #A94BD8

Accessibility & contrast

On white

9.92

#661E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#661E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E8A

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E8A	#FFFFFF	#000000	##FFFFFF
##661E8A	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#074488

Tritanopia (blue-blind)

#613853

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661e8a;
/* rgb */ color: rgb(102, 30, 138);
/* oklch */ color: oklch(40.4% 0.171 311.3);

Tailwind

colors: {
  custom: {
    50: '#9662ad',
    500: '#661e8a',
    950: '#000000',
  },
}

SCSS

$custom: #661e8a;
$custom-light: #9662ad;
$custom-dark: #000000;

JSON

{
  "hex": "#661e8a",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 138
  },
  "hsl": {
    "h": 280,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40432,
    "c": 0.17083,
    "h": 311.3
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#661E8A

secondary

#6FBA4A

accent

#E74178

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661E8A

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

Preview Lab → · Contrast checker → · Palette generator →