#661B83#661B83

#661B83 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.6% C 0.167 H 314.3°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#661B83
RGB	rgb(102, 27, 131)
HSL	hsl(283, 66%, 31%)
HSV	hsv(283, 79%, 51%)
CMYK	cmyk(22.1%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(27.43, 48.59, -42.40)
CIE-LCH	lch(27.43, 64.49, 318.89°)
OKLab	oklab(39.62% 0.1169 -0.1198)
OKLCH	oklch(39.62% 0.167 314.3)
XYZ	xyz(9.9675, 5.2477, 21.9562)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B83 #38831B

analogous

#321B83 #661B83 #831B6C

triadic

#661B83 #83661B #1B8366

tetradic

#661B83 #83321B #38831B #1B6C83

square

#661B83 #83321B #38831B #1B6C83

split-complementary

#661B83 #6C831B #1B8332

monochromatic

#17061E #3E1150 #661B83 #8E25B6 #AE41D8

Accessibility & contrast

On white

10.25

#661B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#661B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B83

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B83	#FFFFFF	#000000	##FFFFFF
##661B83	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#134381

Tritanopia (blue-blind)

#63334E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661b83;
/* rgb */ color: rgb(102, 27, 131);
/* oklch */ color: oklch(39.6% 0.167 314.3);

Tailwind

colors: {
  custom: {
    50: '#9661a8',
    500: '#661b83',
    950: '#000000',
  },
}

SCSS

$custom: #661b83;
$custom-light: #9661a8;
$custom-dark: #000000;

JSON

{
  "hex": "#661b83",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 283.269,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39616,
    "c": 0.16737,
    "h": 314.3
  },
  "luminance": 0.05247
}

Semantic roles & 50–950 ramp

primary

#661B83

secondary

#63B643

accent

#E93F6E

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661B83

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

Preview Lab → · Contrast checker → · Palette generator →