#661F74#661F74

#661F74 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 38.9% C 0.148 H 320.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#661F74
RGB	rgb(102, 31, 116)
HSL	hsl(290, 58%, 29%)
HSV	hsv(290, 73%, 45%)
CMYK	cmyk(12.1%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(26.92, 43.91, -33.73)
CIE-LCH	lch(26.92, 55.36, 322.47°)
OKLab	oklab(38.92% 0.1147 -0.0944)
OKLCH	oklch(38.92% 0.149 320.5)
XYZ	xyz(9.1215, 5.0662, 17.0170)
Luminance	0.0507 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F74 #2D741F

analogous

#3C1F74 #661F74 #741F58

triadic

#661F74 #74661F #1F7466

tetradic

#661F74 #743C1F #2D741F #1F5874

square

#661F74 #743C1F #2D741F #1F5874

split-complementary

#661F74 #58741F #1F743C

monochromatic

#150618 #3C1244 #661F74 #902CA4 #B541CC

Accessibility & contrast

On white

10.43

#661F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#661F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F74

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F74	#FFFFFF	#000000	##FFFFFF
##661F74	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B76

Deuteranopia (green-blind)

#284272

Tritanopia (blue-blind)

#672F47

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661f74;
/* rgb */ color: rgb(102, 31, 116);
/* oklch */ color: oklch(38.9% 0.148 320.5);

Tailwind

colors: {
  custom: {
    50: '#95629c',
    500: '#661f74',
    950: '#000000',
  },
}

SCSS

$custom: #661f74;
$custom-light: #95629c;
$custom-dark: #000000;

JSON

{
  "hex": "#661f74",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 290.118,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38921,
    "c": 0.1485,
    "h": 320.5
  },
  "luminance": 0.05066
}

Semantic roles & 50–950 ramp

primary

#661F74

secondary

#57A847

accent

#E14760

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0E050E

muted

#7E7A7E

Preview Lab

Preview with #661F74

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

Preview Lab → · Contrast checker → · Palette generator →