#661A8B#661A8B

#661A8B is a dark, vivid purple. Relative luminance 0.054; OKLCH L 40.2% C 0.176 H 311.3°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#661A8B
RGB	rgb(102, 26, 139)
HSL	hsl(280, 68%, 32%)
HSV	hsv(280, 81%, 55%)
CMYK	cmyk(26.6%, 81.3%, 0%, 45.5%)
CIE-LAB	lab(27.92, 50.66, -46.60)
CIE-LCH	lch(27.92, 68.84, 317.39°)
OKLab	oklab(40.16% 0.1161 -0.1321)
OKLCH	oklch(40.16% 0.176 311.3)
XYZ	xyz(10.5082, 5.4279, 24.9152)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A8B #3F8B1A

analogous

#2E1A8B #661A8B #8B1A78

triadic

#661A8B #8B661A #1A8B66

tetradic

#661A8B #8B2E1A #3F8B1A #1A788B

square

#661A8B #8B2E1A #3F8B1A #1A788B

split-complementary

#661A8B #788B1A #1A8B2E

monochromatic

#1A0724 #401057 #661A8B #8C24BF #AA43DC

Accessibility & contrast

On white

10.07

#661A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#661A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A8B

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A8B	#FFFFFF	#000000	##FFFFFF
##661A8B	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#613653

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661a8b;
/* rgb */ color: rgb(102, 26, 139);
/* oklch */ color: oklch(40.2% 0.176 311.3);

Tailwind

colors: {
  custom: {
    50: '#9661ae',
    500: '#661a8b',
    950: '#000000',
  },
}

SCSS

$custom: #661a8b;
$custom-light: #9661ae;
$custom-dark: #000000;

JSON

{
  "hex": "#661a8b",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 139
  },
  "hsl": {
    "h": 280.354,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40155,
    "c": 0.1759,
    "h": 311.3
  },
  "luminance": 0.05428
}

Semantic roles & 50–950 ramp

primary

#661A8B

secondary

#6BBD44

accent

#EB3C76

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661A8B

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

Preview Lab → · Contrast checker → · Palette generator →