#661F91#661F91

#661F91 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.1% C 0.177 H 308.7°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#661F91
RGB	rgb(102, 31, 145)
HSL	hsl(277, 65%, 35%)
HSV	hsv(277, 79%, 57%)
CMYK	cmyk(29.7%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(29.03, 50.16, -48.52)
CIE-LCH	lch(29.03, 69.78, 315.95°)
OKLab	oklab(41.08% 0.1105 -0.1378)
OKLCH	oklch(41.08% 0.177 308.7)
XYZ	xyz(11.0793, 5.8493, 27.3279)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F91 #4A911F

analogous

#2D1F91 #661F91 #911F83

triadic

#661F91 #91661F #1F9166

tetradic

#661F91 #912D1F #4A911F #1F8391

square

#661F91 #912D1F #4A911F #1F8391

split-complementary

#661F91 #83911F #1F912D

monochromatic

#1F092C #43145F #661F91 #892AC3 #A651DA

Accessibility & contrast

On white

9.68

#661F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#661F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F91

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F91	#FFFFFF	#000000	##FFFFFF
##661F91	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#5F3B57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661f91;
/* rgb */ color: rgb(102, 31, 145);
/* oklch */ color: oklch(41.1% 0.177 308.7);

Tailwind

colors: {
  custom: {
    50: '#9663b2',
    500: '#661f91',
    950: '#000000',
  },
}

SCSS

$custom: #661f91;
$custom-light: #9663b2;
$custom-dark: #000000;

JSON

{
  "hex": "#661f91",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 277.368,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41081,
    "c": 0.17659,
    "h": 308.7
  },
  "luminance": 0.05849
}

Semantic roles & 50–950 ramp

primary

#661F91

secondary

#78BD4F

accent

#E8407F

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661F91

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

Preview Lab → · Contrast checker → · Palette generator →