#661B69#661B69

#661B69 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.8% C 0.144 H 326.3°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#661B69
RGB	rgb(102, 27, 105)
HSL	hsl(298, 59%, 26%)
HSV	hsv(298, 74%, 41%)
CMYK	cmyk(2.9%, 74.3%, 0%, 58.8%)
CIE-LAB	lab(25.65, 43.37, -28.68)
CIE-LCH	lch(25.65, 52.00, 326.53°)
OKLab	oklab(37.79% 0.1194 -0.0796)
OKLCH	oklch(37.79% 0.144 326.3)
XYZ	xyz(8.4211, 4.6291, 13.8118)
Luminance	0.0463 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B69 #1E691B

analogous

#3F1B69 #661B69 #691B45

triadic

#661B69 #69661B #1B6966

tetradic

#661B69 #693F1B #1E691B #1B4569

square

#661B69 #693F1B #1E691B #1B4569

split-complementary

#661B69 #45691B #1B693F

monochromatic

#180618 #370E38 #661B69 #95289A #C534CA

Accessibility & contrast

On white

10.90

#661B69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#661B69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B69

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B69	#FFFFFF	#000000	##FFFFFF
##661B69	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09376B

Deuteranopia (green-blind)

#2D4067

Tritanopia (blue-blind)

#692740

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #661b69;
/* rgb */ color: rgb(102, 27, 105);
/* oklch */ color: oklch(37.8% 0.144 326.3);

Tailwind

colors: {
  custom: {
    50: '#945f94',
    500: '#661b69',
    950: '#000000',
  },
}

SCSS

$custom: #661b69;
$custom-light: #945f94;
$custom-dark: #000000;

JSON

{
  "hex": "#661b69",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 105
  },
  "hsl": {
    "h": 297.692,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.37785,
    "c": 0.14353,
    "h": 326.3
  },
  "luminance": 0.04629
}

Semantic roles & 50–950 ramp

primary

#661B69

secondary

#459E42

accent

#E2464C

background

#F9F5F9

surface

#F2EAF1

border

#CCC6CB

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #661B69

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

Preview Lab → · Contrast checker → · Palette generator →