#661B6B#661B6B

#661B6B is a dark, vivid purple. Relative luminance 0.047; OKLCH L 37.9% C 0.145 H 325.3°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#661B6B
RGB	rgb(102, 27, 107)
HSL	hsl(296, 60%, 26%)
HSV	hsv(296, 75%, 42%)
CMYK	cmyk(4.7%, 74.8%, 0%, 58%)
CIE-LAB	lab(25.78, 43.75, -29.78)
CIE-LCH	lch(25.78, 52.92, 325.76°)
OKLab	oklab(37.91% 0.1194 -0.0828)
OKLCH	oklch(37.91% 0.145 325.3)
XYZ	xyz(8.5251, 4.6707, 14.3596)
Luminance	0.0467 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B6B #206B1B

analogous

#3E1B6B #661B6B #6B1B48

triadic

#661B6B #6B661B #1B6B66

tetradic

#661B6B #6B3E1B #206B1B #1B486B

square

#661B6B #6B3E1B #206B1B #1B486B

split-complementary

#661B6B #486B1B #1B6B3E

monochromatic

#170618 #370F3A #661B6B #95279C #C235CC

Accessibility & contrast

On white

10.86

#661B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#661B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B6B

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B6B	#FFFFFF	#000000	##FFFFFF
##661B6B	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05376D

Deuteranopia (green-blind)

#2C4069

Tritanopia (blue-blind)

#682841

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #661b6b;
/* rgb */ color: rgb(102, 27, 107);
/* oklch */ color: oklch(37.9% 0.145 325.3);

Tailwind

colors: {
  custom: {
    50: '#956096',
    500: '#661b6b',
    950: '#000000',
  },
}

SCSS

$custom: #661b6b;
$custom-light: #956096;
$custom-dark: #000000;

JSON

{
  "hex": "#661b6b",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 296.25,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37914,
    "c": 0.14531,
    "h": 325.3
  },
  "luminance": 0.0467
}

Semantic roles & 50–950 ramp

primary

#661B6B

secondary

#48A042

accent

#E3454F

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #661B6B

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

Preview Lab → · Contrast checker → · Palette generator →