#66258B#66258B

#66258B is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.2% C 0.164 H 310.2°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#66258B
RGB	rgb(102, 37, 139)
HSL	hsl(278, 58%, 35%)
HSV	hsv(278, 73%, 55%)
CMYK	cmyk(26.6%, 73.4%, 0%, 45.5%)
CIE-LAB	lab(29.44, 46.30, -44.14)
CIE-LCH	lch(29.44, 63.97, 316.37°)
OKLab	oklab(41.23% 0.1057 -0.1249)
OKLCH	oklch(41.23% 0.164 310.2)
XYZ	xyz(10.8003, 6.0122, 25.0126)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66258B #4A8B25

analogous

#33258B #66258B #8B257D

triadic

#66258B #8B6625 #258B66

tetradic

#66258B #8B3325 #4A8B25 #257D8B

square

#66258B #8B3325 #4A8B25 #257D8B

split-complementary

#66258B #7D8B25 #258B33

monochromatic

#1F0B2A #43185B #66258B #8932BB #A658D3

Accessibility & contrast

On white

9.54

#66258B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#66258B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66258B

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66258B	#FFFFFF	#000000	##FFFFFF
##66258B	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#124689

Tritanopia (blue-blind)

#613C55

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #66258b;
/* rgb */ color: rgb(102, 37, 139);
/* oklch */ color: oklch(41.2% 0.164 310.2);

Tailwind

colors: {
  custom: {
    50: '#9566ae',
    500: '#66258b',
    950: '#000000',
  },
}

SCSS

$custom: #66258b;
$custom-light: #9566ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66258b",
  "rgb": {
    "r": 102,
    "g": 37,
    "b": 139
  },
  "hsl": {
    "h": 278.235,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.4123,
    "c": 0.16365,
    "h": 310.2
  },
  "luminance": 0.06012
}

Semantic roles & 50–950 ramp

primary

#66258B

secondary

#78B755

accent

#E1477F

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #66258B

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

Preview Lab → · Contrast checker → · Palette generator →