#661D9B#661D9B

#661D9B is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.7% C 0.188 H 305.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#661D9B
RGB	rgb(102, 29, 155)
HSL	hsl(275, 68%, 36%)
HSV	hsv(275, 81%, 61%)
CMYK	cmyk(34.2%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(29.59, 53.17, -53.75)
CIE-LCH	lch(29.59, 75.60, 314.69°)
OKLab	oklab(41.73% 0.1096 -0.1531)
OKLCH	oklch(41.73% 0.188 305.6)
XYZ	xyz(11.8339, 6.0702, 31.5522)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D9B #529B1D

analogous

#271D9B #661D9B #9B1D91

triadic

#661D9B #9B661D #1D9B66

tetradic

#661D9B #9B271D #529B1D #1D919B

square

#661D9B #9B271D #529B1D #1D919B

split-complementary

#661D9B #919B1D #1D9B27

monochromatic

#220A34 #441367 #661D9B #8827CF #A453DF

Accessibility & contrast

On white

9.49

#661D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#661D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D9B

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D9B	#FFFFFF	#000000	##FFFFFF
##661D9B	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#5C3F5D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661d9b;
/* rgb */ color: rgb(102, 29, 155);
/* oklch */ color: oklch(41.7% 0.188 305.6);

Tailwind

colors: {
  custom: {
    50: '#9763b9',
    500: '#661d9b',
    950: '#000000',
  },
}

SCSS

$custom: #661d9b;
$custom-light: #9763b9;
$custom-dark: #000000;

JSON

{
  "hex": "#661d9b",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 274.762,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41727,
    "c": 0.18831,
    "h": 305.6
  },
  "luminance": 0.0607
}

Semantic roles & 50–950 ramp

primary

#661D9B

secondary

#81C252

accent

#EB3C86

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661D9B

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

Preview Lab → · Contrast checker → · Palette generator →