#661B9A#661B9A

#661B9A is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.5% C 0.189 H 306.1°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#661B9A
RGB	rgb(102, 27, 154)
HSL	hsl(275, 70%, 35%)
HSV	hsv(275, 82%, 60%)
CMYK	cmyk(33.8%, 82.5%, 0%, 39.6%)
CIE-LAB	lab(29.27, 53.64, -53.66)
CIE-LCH	lch(29.27, 75.87, 314.99°)
OKLab	oklab(41.48% 0.1114 -0.1529)
OKLCH	oklch(41.48% 0.189 306.1)
XYZ	xyz(11.7029, 5.9418, 31.0960)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B9A #4F9A1B

analogous

#261B9A #661B9A #9A1B8E

triadic

#661B9A #9A661B #1B9A66

tetradic

#661B9A #9A261B #4F9A1B #1B8E9A

square

#661B9A #9A261B #4F9A1B #1B8E9A

split-complementary

#661B9A #8E9A1B #1B9A26

monochromatic

#210932 #441266 #661B9A #8824CE #A54FE0

Accessibility & contrast

On white

9.60

#661B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#661B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B9A

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B9A	#FFFFFF	#000000	##FFFFFF
##661B9A	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439D

Deuteranopia (green-blind)

#004598

Tritanopia (blue-blind)

#5C3E5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #661b9a;
/* rgb */ color: rgb(102, 27, 154);
/* oklch */ color: oklch(41.5% 0.189 306.1);

Tailwind

colors: {
  custom: {
    50: '#9762b9',
    500: '#661b9a',
    950: '#000000',
  },
}

SCSS

$custom: #661b9a;
$custom-light: #9762b9;
$custom-dark: #000000;

JSON

{
  "hex": "#661b9a",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 154
  },
  "hsl": {
    "h": 275.433,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41476,
    "c": 0.18916,
    "h": 306.1
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#661B9A

secondary

#7EC34E

accent

#ED3B84

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661B9A

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

Preview Lab → · Contrast checker → · Palette generator →