#661E91#661E91

#661E91 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.0% C 0.178 H 308.8°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#661E91
RGB	rgb(102, 30, 145)
HSL	hsl(278, 66%, 34%)
HSV	hsv(278, 79%, 57%)
CMYK	cmyk(29.7%, 79.3%, 0%, 43.1%)
CIE-LAB	lab(28.90, 50.54, -48.74)
CIE-LCH	lch(28.90, 70.21, 316.04°)
OKLab	oklab(40.99% 0.1113 -0.1384)
OKLCH	oklch(40.99% 0.178 308.8)
XYZ	xyz(11.0535, 5.7979, 27.3194)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E91 #49911E

analogous

#2D1E91 #661E91 #911E83

triadic

#661E91 #91661E #1E9166

tetradic

#661E91 #912D1E #49911E #1E8391

square

#661E91 #912D1E #49911E #1E8391

split-complementary

#661E91 #83911E #1E912D

monochromatic

#1F092C #42145E #661E91 #8A28C4 #A64FDB

Accessibility & contrast

On white

9.72

#661E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#661E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E91

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E91	#FFFFFF	#000000	##FFFFFF
##661E91	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004194

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#5F3B57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661e91;
/* rgb */ color: rgb(102, 30, 145);
/* oklch */ color: oklch(41.0% 0.178 308.8);

Tailwind

colors: {
  custom: {
    50: '#9663b2',
    500: '#661e91',
    950: '#000000',
  },
}

SCSS

$custom: #661e91;
$custom-light: #9663b2;
$custom-dark: #000000;

JSON

{
  "hex": "#661e91",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 145
  },
  "hsl": {
    "h": 277.565,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40988,
    "c": 0.17763,
    "h": 308.8
  },
  "luminance": 0.05798
}

Semantic roles & 50–950 ramp

primary

#661E91

secondary

#77BD4D

accent

#E93F7F

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661E91

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

Preview Lab → · Contrast checker → · Palette generator →