#661A8A#661A8A

#661A8A is a dark, vivid purple. Relative luminance 0.054; OKLCH L 40.1% C 0.175 H 311.7°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#661A8A
RGB	rgb(102, 26, 138)
HSL	hsl(281, 68%, 32%)
HSV	hsv(281, 81%, 54%)
CMYK	cmyk(26.1%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(27.84, 50.45, -46.11)
CIE-LCH	lch(27.84, 68.34, 317.57°)
OKLab	oklab(40.08% 0.1164 -0.1307)
OKLCH	oklch(40.08% 0.175 311.7)
XYZ	xyz(10.4355, 5.3988, 24.5322)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A8A #3E8A1A

analogous

#2E1A8A #661A8A #8A1A76

triadic

#661A8A #8A661A #1A8A66

tetradic

#661A8A #8A2E1A #3E8A1A #1A768A

square

#661A8A #8A2E1A #3E8A1A #1A768A

split-complementary

#661A8A #768A1A #1A8A2E

monochromatic

#1A0723 #401057 #661A8A #8C24BD #AA43DC

Accessibility & contrast

On white

10.10

#661A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#661A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A8A

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A8A	#FFFFFF	#000000	##FFFFFF
##661A8A	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#613652

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661a8a;
/* rgb */ color: rgb(102, 26, 138);
/* oklch */ color: oklch(40.1% 0.175 311.7);

Tailwind

colors: {
  custom: {
    50: '#9661ad',
    500: '#661a8a',
    950: '#000000',
  },
}

SCSS

$custom: #661a8a;
$custom-light: #9661ad;
$custom-dark: #000000;

JSON

{
  "hex": "#661a8a",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 280.714,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40075,
    "c": 0.17496,
    "h": 311.7
  },
  "luminance": 0.05399
}

Semantic roles & 50–950 ramp

primary

#661A8A

secondary

#6ABD43

accent

#EB3D75

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661A8A

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

Preview Lab → · Contrast checker → · Palette generator →