#661F8E#661F8E

#661F8E is a dark, vivid violet. Relative luminance 0.058; OKLCH L 40.8% C 0.174 H 309.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#661F8E
RGB	rgb(102, 31, 142)
HSL	hsl(278, 64%, 34%)
HSV	hsv(278, 78%, 56%)
CMYK	cmyk(28.2%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(28.79, 49.48, -47.05)
CIE-LCH	lch(28.79, 68.28, 316.44°)
OKLab	oklab(40.84% 0.1111 -0.1335)
OKLCH	oklch(40.84% 0.174 309.8)
XYZ	xyz(10.8510, 5.7580, 26.1257)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F8E #478E1F

analogous

#2E1F8E #661F8E #8E1F7F

triadic

#661F8E #8E661F #1F8E66

tetradic

#661F8E #8E2E1F #478E1F #1F7F8E

square

#661F8E #8E2E1F #478E1F #1F7F8E

split-complementary

#661F8E #7F8E1F #1F8E2E

monochromatic

#1E092A #42145C #661F8E #8A2AC0 #A74FD9

Accessibility & contrast

On white

9.76

#661F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#661F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F8E

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F8E	#FFFFFF	#000000	##FFFFFF
##661F8E	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00458C

Tritanopia (blue-blind)

#603A56

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661f8e;
/* rgb */ color: rgb(102, 31, 142);
/* oklch */ color: oklch(40.8% 0.174 309.8);

Tailwind

colors: {
  custom: {
    50: '#9663b0',
    500: '#661f8e',
    950: '#000000',
  },
}

SCSS

$custom: #661f8e;
$custom-light: #9663b0;
$custom-dark: #000000;

JSON

{
  "hex": "#661f8e",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 278.378,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40842,
    "c": 0.17364,
    "h": 309.8
  },
  "luminance": 0.05758
}

Semantic roles & 50–950 ramp

primary

#661F8E

secondary

#75BB4D

accent

#E7417D

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661F8E

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

Preview Lab → · Contrast checker → · Palette generator →