#660F5A#660F5A

#660F5A is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.9% C 0.144 H 334.8°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#660F5A
RGB	rgb(102, 15, 90)
HSL	hsl(308, 74%, 23%)
HSV	hsv(308, 85%, 40%)
CMYK	cmyk(0%, 85.3%, 11.8%, 60%)
CIE-LAB	lab(23.36, 44.78, -22.47)
CIE-LCH	lch(23.36, 50.10, 333.35°)
OKLab	oklab(35.85% 0.1307 -0.0615)
OKLCH	oklch(35.85% 0.144 334.8)
XYZ	xyz(7.4959, 3.9053, 10.0299)
Luminance	0.0391 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#660F5A #0F661B

analogous

#460F66 #660F5A #660F2E

triadic

#660F5A #5A660F #0F5A66

tetradic

#660F5A #66460F #0F661B #0F2E66

square

#660F5A #66460F #0F661B #0F2E66

split-complementary

#660F5A #2E660F #0F6646

monochromatic

#1B0418 #31072B #660F5A #9B1789 #D11FB8

Accessibility & contrast

On white

11.79

#660F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#660F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #660F5A

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##660F5A	#FFFFFF	#000000	##FFFFFF
##660F5A	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E305C

Deuteranopia (green-blind)

#303C58

Tritanopia (blue-blind)

#6B1835

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #660f5a;
/* rgb */ color: rgb(102, 15, 90);
/* oklch */ color: oklch(35.9% 0.144 334.8);

Tailwind

colors: {
  custom: {
    50: '#955a89',
    500: '#660f5a',
    950: '#000000',
  },
}

SCSS

$custom: #660f5a;
$custom-light: #955a89;
$custom-dark: #000000;

JSON

{
  "hex": "#660f5a",
  "rgb": {
    "r": 102,
    "g": 15,
    "b": 90
  },
  "hsl": {
    "h": 308.276,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35853,
    "c": 0.14446,
    "h": 334.8
  },
  "luminance": 0.03905
}

Semantic roles & 50–950 ramp

primary

#660F5A

secondary

#329F41

accent

#F15037

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0E040B

muted

#7E797C

Preview Lab

Preview with #660F5A

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

Preview Lab → · Contrast checker → · Palette generator →