#661E8B#661E8B

#661E8B is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.172 H 311.0°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#661E8B
RGB	rgb(102, 30, 139)
HSL	hsl(280, 64%, 33%)
HSV	hsv(280, 78%, 55%)
CMYK	cmyk(26.6%, 78.4%, 0%, 45.5%)
CIE-LAB	lab(28.43, 49.20, -45.78)
CIE-LCH	lch(28.43, 67.21, 317.06°)
OKLab	oklab(40.51% 0.1126 -0.1297)
OKLCH	oklch(40.51% 0.172 311)
XYZ	xyz(10.6031, 5.6177, 24.9469)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E8B #438B1E

analogous

#2F1E8B #661E8B #8B1E79

triadic

#661E8B #8B661E #1E8B66

tetradic

#661E8B #8B2F1E #438B1E #1E798B

square

#661E8B #8B2F1E #438B1E #1E798B

split-complementary

#661E8B #798B1E #1E8B2F

monochromatic

#1C0826 #411359 #661E8B #8B29BD #A84BD8

Accessibility & contrast

On white

9.89

#661E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#661E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E8B

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E8B	#FFFFFF	#000000	##FFFFFF
##661E8B	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#044489

Tritanopia (blue-blind)

#613854

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661e8b;
/* rgb */ color: rgb(102, 30, 139);
/* oklch */ color: oklch(40.5% 0.172 311.0);

Tailwind

colors: {
  custom: {
    50: '#9662ae',
    500: '#661e8b',
    950: '#000000',
  },
}

SCSS

$custom: #661e8b;
$custom-light: #9662ae;
$custom-dark: #000000;

JSON

{
  "hex": "#661e8b",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 139
  },
  "hsl": {
    "h": 279.633,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4051,
    "c": 0.1718,
    "h": 311
  },
  "luminance": 0.05617
}

Semantic roles & 50–950 ramp

primary

#661E8B

secondary

#70BB4A

accent

#E74079

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661E8B

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

Preview Lab → · Contrast checker → · Palette generator →