#66388D#66388D

#66388D is a dark, vivid violet. Relative luminance 0.076; OKLCH L 43.9% C 0.139 H 306.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#66388D
RGB	rgb(102, 56, 141)
HSL	hsl(272, 43%, 39%)
HSV	hsv(272, 60%, 55%)
CMYK	cmyk(27.7%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(33.08, 37.16, -39.52)
CIE-LCH	lch(33.08, 54.24, 313.24°)
OKLab	oklab(43.9% 0.0825 -0.1115)
OKLCH	oklch(43.9% 0.139 306.5)
XYZ	xyz(11.7004, 7.5763, 26.0401)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66388D #5F8D38

analogous

#3C388D #66388D #8D3889

triadic

#66388D #8D6638 #388D66

tetradic

#66388D #8D3C38 #5F8D38 #38898D

square

#66388D #8D3C38 #5F8D38 #38898D

split-complementary

#66388D #898D38 #388D3C

monochromatic

#271535 #462761 #66388D #864BB7 #A377C9

Accessibility & contrast

On white

8.35

#66388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#66388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66388D

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66388D	#FFFFFF	#000000	##FFFFFF
##66388D	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154C90

Deuteranopia (green-blind)

#294E8B

Tritanopia (blue-blind)

#60485D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #66388d;
/* rgb */ color: rgb(102, 56, 141);
/* oklch */ color: oklch(43.9% 0.139 306.5);

Tailwind

colors: {
  custom: {
    50: '#9471af',
    500: '#66388d',
    950: '#000000',
  },
}

SCSS

$custom: #66388d;
$custom-light: #9471af;
$custom-dark: #000000;

JSON

{
  "hex": "#66388d",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 272.471,
    "s": 43.147,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43898,
    "c": 0.13866,
    "h": 306.5
  },
  "luminance": 0.07576
}

Semantic roles & 50–950 ramp

primary

#66388D

secondary

#8EB26F

accent

#D3558F

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #66388D

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

Preview Lab → · Contrast checker → · Palette generator →