#661F8F#661F8F

#661F8F is a dark, vivid violet. Relative luminance 0.058; OKLCH L 40.9% C 0.175 H 309.4°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#661F8F
RGB	rgb(102, 31, 143)
HSL	hsl(278, 64%, 34%)
HSV	hsv(278, 78%, 56%)
CMYK	cmyk(28.7%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(28.87, 49.71, -47.54)
CIE-LCH	lch(28.87, 68.78, 316.28°)
OKLab	oklab(40.92% 0.1109 -0.1349)
OKLCH	oklch(40.92% 0.175 309.4)
XYZ	xyz(10.9264, 5.7881, 26.5229)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F8F #488F1F

analogous

#2E1F8F #661F8F #8F1F80

triadic

#661F8F #8F661F #1F8F66

tetradic

#661F8F #8F2E1F #488F1F #1F808F

square

#661F8F #8F2E1F #488F1F #1F808F

split-complementary

#661F8F #808F1F #1F8F2E

monochromatic

#1E092A #42145D #661F8F #8A2AC1 #A74FD9

Accessibility & contrast

On white

9.73

#661F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#661F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F8F

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F8F	#FFFFFF	#000000	##FFFFFF
##661F8F	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#603A56

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661f8f;
/* rgb */ color: rgb(102, 31, 143);
/* oklch */ color: oklch(40.9% 0.175 309.4);

Tailwind

colors: {
  custom: {
    50: '#9663b1',
    500: '#661f8f',
    950: '#000000',
  },
}

SCSS

$custom: #661f8f;
$custom-light: #9663b1;
$custom-dark: #000000;

JSON

{
  "hex": "#661f8f",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 278.036,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40921,
    "c": 0.17463,
    "h": 309.4
  },
  "luminance": 0.05788
}

Semantic roles & 50–950 ramp

primary

#661F8F

secondary

#76BC4E

accent

#E7407E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661F8F

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

Preview Lab → · Contrast checker → · Palette generator →