#66407C#66407C

#66407C is a dark, moderate violet. Relative luminance 0.079; OKLCH L 44.2% C 0.104 H 312.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#66407C
RGB	rgb(102, 64, 124)
HSL	hsl(278, 32%, 37%)
HSV	hsv(278, 48%, 49%)
CMYK	cmyk(17.7%, 48.4%, 0%, 51.4%)
CIE-LAB	lab(33.87, 28.33, -27.74)
CIE-LCH	lch(33.87, 39.65, 315.60°)
OKLab	oklab(44.16% 0.0695 -0.0772)
OKLCH	oklch(44.16% 0.104 312)
XYZ	xyz(10.9503, 7.9470, 20.0220)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66407C #567C40

analogous

#48407C #66407C #7C4074

triadic

#66407C #7C6640 #407C66

tetradic

#66407C #7C4840 #567C40 #40747C

square

#66407C #7C4840 #567C40 #40747C

split-complementary

#66407C #747C40 #407C48

monochromatic

#24162B #452B54 #66407C #8755A4 #A47BBB

Accessibility & contrast

On white

8.11

#66407C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#66407C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66407C

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66407C	#FFFFFF	#000000	##FFFFFF
##66407C	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334E7E

Deuteranopia (green-blind)

#3D517A

Tritanopia (blue-blind)

#644958

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #66407c;
/* rgb */ color: rgb(102, 64, 124);
/* oklch */ color: oklch(44.2% 0.104 312.0);

Tailwind

colors: {
  custom: {
    50: '#9376a2',
    500: '#66407c',
    950: '#000000',
  },
}

SCSS

$custom: #66407c;
$custom-light: #9376a2;
$custom-dark: #000000;

JSON

{
  "hex": "#66407c",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 124
  },
  "hsl": {
    "h": 278,
    "s": 31.915,
    "l": 36.863
  },
  "oklch": {
    "l": 0.44158,
    "c": 0.10387,
    "h": 312
  },
  "luminance": 0.07947
}

Semantic roles & 50–950 ramp

primary

#66407C

secondary

#85A672

accent

#C86086

background

#F9F7FA

surface

#F1EDF3

border

#CBC8CD

text

#0D080F

muted

#7E7B7F

Preview Lab

Preview with #66407C

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

Preview Lab → · Contrast checker → · Palette generator →