#661F9D#661F9D

#661F9D is a dark, vivid violet. Relative luminance 0.062; OKLCH L 42.1% C 0.188 H 304.8°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#661F9D
RGB	rgb(102, 31, 157)
HSL	hsl(274, 67%, 37%)
HSV	hsv(274, 80%, 62%)
CMYK	cmyk(35%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(30.01, 52.90, -54.28)
CIE-LCH	lch(30.01, 75.80, 314.26°)
OKLab	oklab(42.07% 0.1075 -0.1547)
OKLCH	oklch(42.07% 0.188 304.8)
XYZ	xyz(12.0539, 6.2391, 32.4610)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F9D #569D1F

analogous

#271F9D #661F9D #9D1F95

triadic

#661F9D #9D661F #1F9D66

tetradic

#661F9D #9D271F #569D1F #1F959D

square

#661F9D #9D271F #569D1F #1F959D

split-complementary

#661F9D #959D1F #1F9D27

monochromatic

#240B37 #45156A #661F9D #8729D0 #A458DE

Accessibility & contrast

On white

9.34

#661F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#661F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F9D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F9D	#FFFFFF	#000000	##FFFFFF
##661F9D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#5B415E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #661f9d;
/* rgb */ color: rgb(102, 31, 157);
/* oklch */ color: oklch(42.1% 0.188 304.8);

Tailwind

colors: {
  custom: {
    50: '#9764bb',
    500: '#661f9d',
    950: '#000000',
  },
}

SCSS

$custom: #661f9d;
$custom-light: #9764bb;
$custom-dark: #000000;

JSON

{
  "hex": "#661f9d",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 273.81,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42072,
    "c": 0.18837,
    "h": 304.8
  },
  "luminance": 0.06239
}

Semantic roles & 50–950 ramp

primary

#661F9D

secondary

#85C256

accent

#EA3E89

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661F9D

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

Preview Lab → · Contrast checker → · Palette generator →