#661F9E#661F9E

#661F9E is a dark, vivid violet. Relative luminance 0.063; OKLCH L 42.2% C 0.189 H 304.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#661F9E
RGB	rgb(102, 31, 158)
HSL	hsl(274, 67%, 37%)
HSV	hsv(274, 80%, 62%)
CMYK	cmyk(35.4%, 80.4%, 0%, 38%)
CIE-LAB	lab(30.09, 53.13, -54.76)
CIE-LCH	lch(30.09, 76.29, 314.14°)
OKLab	oklab(42.16% 0.1072 -0.1561)
OKLCH	oklch(42.16% 0.189 304.5)
XYZ	xyz(12.1396, 6.2734, 32.9125)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F9E #579E1F

analogous

#261F9E #661F9E #9E1F97

triadic

#661F9E #9E661F #1F9E66

tetradic

#661F9E #9E261F #579E1F #1F979E

square

#661F9E #9E261F #579E1F #1F979E

split-complementary

#661F9E #979E1F #1F9E26

monochromatic

#240B38 #45156B #661F9E #8729D1 #A459DE

Accessibility & contrast

On white

9.31

#661F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#661F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F9E

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F9E	#FFFFFF	#000000	##FFFFFF
##661F9E	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#5B415F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #661f9e;
/* rgb */ color: rgb(102, 31, 158);
/* oklch */ color: oklch(42.2% 0.189 304.5);

Tailwind

colors: {
  custom: {
    50: '#9764bc',
    500: '#661f9e',
    950: '#000000',
  },
}

SCSS

$custom: #661f9e;
$custom-light: #9764bc;
$custom-dark: #000000;

JSON

{
  "hex": "#661f9e",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 273.543,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42157,
    "c": 0.18936,
    "h": 304.5
  },
  "luminance": 0.06273
}

Semantic roles & 50–950 ramp

primary

#661F9E

secondary

#86C256

accent

#EA3E8A

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661F9E

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

Preview Lab → · Contrast checker → · Palette generator →