#661D91#661D91

#661D91 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.179 H 308.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#661D91
RGB	rgb(102, 29, 145)
HSL	hsl(278, 67%, 34%)
HSV	hsv(278, 80%, 57%)
CMYK	cmyk(29.7%, 80%, 0%, 43.1%)
CIE-LAB	lab(28.77, 50.91, -48.95)
CIE-LCH	lch(28.77, 70.62, 316.13°)
OKLab	oklab(40.9% 0.1122 -0.139)
OKLCH	oklch(40.9% 0.179 308.9)
XYZ	xyz(11.0286, 5.7480, 27.3111)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D91 #48911D

analogous

#2C1D91 #661D91 #911D82

triadic

#661D91 #91661D #1D9166

tetradic

#661D91 #912C1D #48911D #1D8291

square

#661D91 #912C1D #48911D #1D8291

split-complementary

#661D91 #82911D #1D912C

monochromatic

#1E092B #42135E #661D91 #8A27C4 #A74DDB

Accessibility & contrast

On white

9.77

#661D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#661D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D91

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D91	#FFFFFF	#000000	##FFFFFF
##661D91	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004194

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#5F3A57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661d91;
/* rgb */ color: rgb(102, 29, 145);
/* oklch */ color: oklch(40.9% 0.179 308.9);

Tailwind

colors: {
  custom: {
    50: '#9662b2',
    500: '#661d91',
    950: '#000000',
  },
}

SCSS

$custom: #661d91;
$custom-light: #9662b2;
$custom-dark: #000000;

JSON

{
  "hex": "#661d91",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 145
  },
  "hsl": {
    "h": 277.759,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40898,
    "c": 0.17864,
    "h": 308.9
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#661D91

secondary

#76BE4C

accent

#EA3E7E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661D91

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

Preview Lab → · Contrast checker → · Palette generator →