#660F5B#660F5B

#660F5B is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.9% C 0.145 H 334.2°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#660F5B
RGB	rgb(102, 15, 91)
HSL	hsl(308, 74%, 23%)
HSV	hsv(308, 85%, 40%)
CMYK	cmyk(0%, 85.3%, 10.8%, 60%)
CIE-LAB	lab(23.41, 44.94, -23.04)
CIE-LCH	lch(23.41, 50.51, 332.85°)
OKLab	oklab(35.91% 0.1307 -0.0632)
OKLCH	oklch(35.91% 0.145 334.2)
XYZ	xyz(7.5387, 3.9224, 10.2556)
Luminance	0.0392 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#660F5B #0F661A

analogous

#450F66 #660F5B #660F2F

triadic

#660F5B #5B660F #0F5B66

tetradic

#660F5B #66450F #0F661A #0F2F66

square

#660F5B #66450F #0F661A #0F2F66

split-complementary

#660F5B #2F660F #0F6645

monochromatic

#1B0418 #31072B #660F5B #9B178B #D11FBA

Accessibility & contrast

On white

11.77

#660F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#660F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #660F5B

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##660F5B	#FFFFFF	#000000	##FFFFFF
##660F5B	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C305D

Deuteranopia (green-blind)

#303C59

Tritanopia (blue-blind)

#6B1935

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #660f5b;
/* rgb */ color: rgb(102, 15, 91);
/* oklch */ color: oklch(35.9% 0.145 334.2);

Tailwind

colors: {
  custom: {
    50: '#955a89',
    500: '#660f5b',
    950: '#000000',
  },
}

SCSS

$custom: #660f5b;
$custom-light: #955a89;
$custom-dark: #000000;

JSON

{
  "hex": "#660f5b",
  "rgb": {
    "r": 102,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 307.586,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35913,
    "c": 0.14521,
    "h": 334.2
  },
  "luminance": 0.03922
}

Semantic roles & 50–950 ramp

primary

#660F5B

secondary

#329F40

accent

#F14E37

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0E040B

muted

#7E797C

Preview Lab

Preview with #660F5B

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

Preview Lab → · Contrast checker → · Palette generator →