#661FA9#661FA9

#661FA9 is a dark, highly saturated violet. Relative luminance 0.067; OKLCH L 43.1% C 0.200 H 301.3°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#661FA9
RGB	rgb(102, 31, 169)
HSL	hsl(271, 69%, 39%)
HSV	hsv(271, 82%, 66%)
CMYK	cmyk(39.6%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(31.04, 55.70, -59.86)
CIE-LCH	lch(31.04, 81.76, 312.94°)
OKLab	oklab(43.11% 0.104 -0.1711)
OKLCH	oklch(43.11% 0.2 301.3)
XYZ	xyz(13.1291, 6.6692, 38.1240)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661FA9 #62A91F

analogous

#211FA9 #661FA9 #A91FA7

triadic

#661FA9 #A9661F #1FA966

tetradic

#661FA9 #A9211F #62A91F #1FA7A9

square

#661FA9 #A9211F #62A91F #1FA7A9

split-complementary

#661FA9 #A7A91F #1FA921

monochromatic

#280C42 #471675 #661FA9 #852DD8 #A360E2

Accessibility & contrast

On white

9.00

#661FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#661FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661FA9

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661FA9	#FFFFFF	#000000	##FFFFFF
##661FA9	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#574665

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #661fa9;
/* rgb */ color: rgb(102, 31, 169);
/* oklch */ color: oklch(43.1% 0.200 301.3);

Tailwind

colors: {
  custom: {
    50: '#9865c4',
    500: '#661fa9',
    950: '#000000',
  },
}

SCSS

$custom: #661fa9;
$custom-light: #9865c4;
$custom-dark: #000000;

JSON

{
  "hex": "#661fa9",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 270.87,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4311,
    "c": 0.20019,
    "h": 301.3
  },
  "luminance": 0.06669
}

Semantic roles & 50–950 ramp

primary

#661FA9

secondary

#90C75D

accent

#EC3C91

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #661FA9

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

Preview Lab → · Contrast checker → · Palette generator →