#66288D#66288D

#66288D is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.7% C 0.162 H 309.1°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#66288D
RGB	rgb(102, 40, 141)
HSL	hsl(277, 56%, 35%)
HSV	hsv(277, 72%, 55%)
CMYK	cmyk(27.7%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(30.07, 45.40, -44.36)
CIE-LCH	lch(30.07, 63.48, 315.67°)
OKLab	oklab(41.72% 0.1022 -0.1256)
OKLCH	oklch(41.72% 0.162 309.1)
XYZ	xyz(11.0450, 6.2657, 25.8217)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66288D #4F8D28

analogous

#34288D #66288D #8D2881

triadic

#66288D #8D6628 #288D66

tetradic

#66288D #8D3428 #4F8D28 #28818D

square

#66288D #8D3428 #4F8D28 #28818D

split-complementary

#66288D #818D28 #288D34

monochromatic

#210D2E #441A5D #66288D #8836BD #A55ED1

Accessibility & contrast

On white

9.32

#66288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#66288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66288D

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66288D	#FFFFFF	#000000	##FFFFFF
##66288D	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#13488B

Tritanopia (blue-blind)

#603E57

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #66288d;
/* rgb */ color: rgb(102, 40, 141);
/* oklch */ color: oklch(41.7% 0.162 309.1);

Tailwind

colors: {
  custom: {
    50: '#9567af',
    500: '#66288d',
    950: '#000000',
  },
}

SCSS

$custom: #66288d;
$custom-light: #9567af;
$custom-dark: #000000;

JSON

{
  "hex": "#66288d",
  "rgb": {
    "r": 102,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 276.832,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41724,
    "c": 0.16191,
    "h": 309.1
  },
  "luminance": 0.06265
}

Semantic roles & 50–950 ramp

primary

#66288D

secondary

#7EB75A

accent

#DF4983

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #66288D

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

Preview Lab → · Contrast checker → · Palette generator →