#661F90#661F90

#661F90 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.0% C 0.176 H 309.1°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#661F90
RGB	rgb(102, 31, 144)
HSL	hsl(278, 65%, 34%)
HSV	hsv(278, 78%, 56%)
CMYK	cmyk(29.2%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(28.95, 49.93, -48.03)
CIE-LCH	lch(28.95, 69.28, 316.11°)
OKLab	oklab(41% 0.1107 -0.1363)
OKLCH	oklch(41% 0.176 309.1)
XYZ	xyz(11.0025, 5.8186, 26.9236)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F90 #49901F

analogous

#2E1F90 #661F90 #901F82

triadic

#661F90 #90661F #1F9066

tetradic

#661F90 #902E1F #49901F #1F8290

square

#661F90 #902E1F #49901F #1F8290

split-complementary

#661F90 #82901F #1F902E

monochromatic

#1F092B #42145E #661F90 #8A2AC2 #A650D9

Accessibility & contrast

On white

9.71

#661F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#661F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F90

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F90	#FFFFFF	#000000	##FFFFFF
##661F90	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00458E

Tritanopia (blue-blind)

#603B57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661f90;
/* rgb */ color: rgb(102, 31, 144);
/* oklch */ color: oklch(41.0% 0.176 309.1);

Tailwind

colors: {
  custom: {
    50: '#9663b1',
    500: '#661f90',
    950: '#000000',
  },
}

SCSS

$custom: #661f90;
$custom-light: #9663b1;
$custom-dark: #000000;

JSON

{
  "hex": "#661f90",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 277.699,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.41001,
    "c": 0.17561,
    "h": 309.1
  },
  "luminance": 0.05818
}

Semantic roles & 50–950 ramp

primary

#661F90

secondary

#77BC4E

accent

#E8407E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661F90

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

Preview Lab → · Contrast checker → · Palette generator →