#661F88#661F88

#661F88 is a dark, vivid purple. Relative luminance 0.056; OKLCH L 40.4% C 0.168 H 312.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#661F88
RGB	rgb(102, 31, 136)
HSL	hsl(281, 63%, 33%)
HSV	hsv(281, 77%, 53%)
CMYK	cmyk(25%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(28.33, 48.15, -44.07)
CIE-LCH	lch(28.33, 65.27, 317.54°)
OKLab	oklab(40.37% 0.1123 -0.1247)
OKLCH	oklch(40.37% 0.168 312)
XYZ	xyz(10.4126, 5.5826, 23.8168)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F88 #41881F

analogous

#311F88 #661F88 #881F76

triadic

#661F88 #88661F #1F8866

tetradic

#661F88 #88311F #41881F #1F7688

square

#661F88 #88311F #41881F #1F7688

split-complementary

#661F88 #76881F #1F8831

monochromatic

#1B0824 #411456 #661F88 #8B2ABA #A94BD6

Accessibility & contrast

On white

9.92

#661F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#661F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F88

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F88	#FFFFFF	#000000	##FFFFFF
##661F88	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)

#003F8B

Deuteranopia (green-blind)

#0E4486

Tritanopia (blue-blind)

#623752

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661f88;
/* rgb */ color: rgb(102, 31, 136);
/* oklch */ color: oklch(40.4% 0.168 312.0);

Tailwind

colors: {
  custom: {
    50: '#9663ab',
    500: '#661f88',
    950: '#000000',
  },
}

SCSS

$custom: #661f88;
$custom-light: #9663ab;
$custom-dark: #000000;

JSON

{
  "hex": "#661f88",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 280.571,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40373,
    "c": 0.16778,
    "h": 312
  },
  "luminance": 0.05582
}

Semantic roles & 50–950 ramp

primary

#661F88

secondary

#6EB94A

accent

#E64277

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661F88

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

Preview Lab → · Contrast checker → · Palette generator →