#661B6E#661B6E

#661B6E is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.148 H 323.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#661B6E
RGB	rgb(102, 27, 110)
HSL	hsl(294, 61%, 27%)
HSV	hsv(294, 75%, 43%)
CMYK	cmyk(7.3%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(25.97, 44.32, -31.41)
CIE-LCH	lch(25.97, 54.32, 324.68°)
OKLab	oklab(38.11% 0.1193 -0.0876)
OKLCH	oklch(38.11% 0.148 323.7)
XYZ	xyz(8.6856, 4.7350, 15.2053)
Luminance	0.0473 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B6E #236E1B

analogous

#3D1B6E #661B6E #6E1B4D

triadic

#661B6E #6E661B #1B6E66

tetradic

#661B6E #6E3D1B #236E1B #1B4D6E

square

#661B6E #6E3D1B #236E1B #1B4D6E

split-complementary

#661B6E #4D6E1B #1B6E3D

monochromatic

#170619 #380F3D #661B6E #94279F #BF36CE

Accessibility & contrast

On white

10.79

#661B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#661B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B6E

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B6E	#FFFFFF	#000000	##FFFFFF
##661B6E	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003870

Deuteranopia (green-blind)

#2A406C

Tritanopia (blue-blind)

#682A43

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #661b6e;
/* rgb */ color: rgb(102, 27, 110);
/* oklch */ color: oklch(38.1% 0.148 323.7);

Tailwind

colors: {
  custom: {
    50: '#956098',
    500: '#661b6e',
    950: '#000000',
  },
}

SCSS

$custom: #661b6e;
$custom-light: #956098;
$custom-dark: #000000;

JSON

{
  "hex": "#661b6e",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 294.217,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.38112,
    "c": 0.14799,
    "h": 323.7
  },
  "luminance": 0.04734
}

Semantic roles & 50–950 ramp

primary

#661B6E

secondary

#4BA342

accent

#E44453

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #661B6E

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

Preview Lab → · Contrast checker → · Palette generator →