#661EB3#661EB3

#661EB3 is a dark, highly saturated violet. Relative luminance 0.070; OKLCH L 43.9% C 0.211 H 298.7°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#661EB3
RGB	rgb(102, 30, 179)
HSL	hsl(269, 71%, 41%)
HSV	hsv(269, 83%, 70%)
CMYK	cmyk(43%, 83.2%, 0%, 29.8%)
CIE-LAB	lab(31.82, 58.41, -64.56)
CIE-LCH	lch(31.82, 87.06, 312.14°)
OKLab	oklab(43.93% 0.1014 -0.1849)
OKLCH	oklch(43.93% 0.211 298.7)
XYZ	xyz(14.0783, 7.0078, 43.2500)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661EB3 #6BB31E

analogous

#1E21B3 #661EB3 #B01EB3

triadic

#661EB3 #B3661E #1EB366

tetradic

#661EB3 #B31E21 #6BB31E #1EB3B0

square

#661EB3 #B31E21 #6BB31E #1EB3B0

split-complementary

#661EB3 #B3B01E #21B31E

monochromatic

#2A0C4A #48157F #661EB3 #8432DD #A466E5

Accessibility & contrast

On white

8.74

#661EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#661EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661EB3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661EB3	#FFFFFF	#000000	##FFFFFF
##661EB3	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB7

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#524A6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #661eb3;
/* rgb */ color: rgb(102, 30, 179);
/* oklch */ color: oklch(43.9% 0.211 298.7);

Tailwind

colors: {
  custom: {
    50: '#9a65cb',
    500: '#661eb3',
    950: '#000000',
  },
}

SCSS

$custom: #661eb3;
$custom-light: #9a65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#661eb3",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 179
  },
  "hsl": {
    "h": 268.993,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43928,
    "c": 0.21083,
    "h": 298.7
  },
  "luminance": 0.07008
}

Semantic roles & 50–950 ramp

primary

#661EB3

secondary

#98CB62

accent

#EE3A97

background

#FAF6FC

surface

#F3EBF9

border

#CDC6D2

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #661EB3

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

Preview Lab → · Contrast checker → · Palette generator →