#661FA8#661FA8

#661FA8 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 43.0% C 0.199 H 301.6°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#661FA8
RGB	rgb(102, 31, 168)
HSL	hsl(271, 69%, 39%)
HSV	hsv(271, 82%, 66%)
CMYK	cmyk(39.3%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(30.95, 55.46, -59.40)
CIE-LCH	lch(30.95, 81.27, 313.04°)
OKLab	oklab(43.02% 0.1043 -0.1697)
OKLCH	oklch(43.02% 0.199 301.6)
XYZ	xyz(13.0356, 6.6318, 37.6315)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661FA8 #61A81F

analogous

#221FA8 #661FA8 #A81FA6

triadic

#661FA8 #A8661F #1FA866

tetradic

#661FA8 #A8221F #61A81F #1FA6A8

square

#661FA8 #A8221F #61A81F #1FA6A8

split-complementary

#661FA8 #A6A81F #1FA822

monochromatic

#270C41 #471574 #661FA8 #852CD8 #A360E2

Accessibility & contrast

On white

9.03

#661FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#661FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661FA8

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661FA8	#FFFFFF	#000000	##FFFFFF
##661FA8	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#0048A5

Tritanopia (blue-blind)

#574565

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #661fa8;
/* rgb */ color: rgb(102, 31, 168);
/* oklch */ color: oklch(43.0% 0.199 301.6);

Tailwind

colors: {
  custom: {
    50: '#9864c3',
    500: '#661fa8',
    950: '#000000',
  },
}

SCSS

$custom: #661fa8;
$custom-light: #9864c3;
$custom-dark: #000000;

JSON

{
  "hex": "#661fa8",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 271.095,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43022,
    "c": 0.19921,
    "h": 301.6
  },
  "luminance": 0.06632
}

Semantic roles & 50–950 ramp

primary

#661FA8

secondary

#8FC65D

accent

#EC3C91

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #661FA8

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

Preview Lab → · Contrast checker → · Palette generator →