#661A8E#661A8E

#661A8E is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.179 H 310.2°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#661A8E
RGB	rgb(102, 26, 142)
HSL	hsl(279, 69%, 33%)
HSV	hsv(279, 82%, 56%)
CMYK	cmyk(28.2%, 81.7%, 0%, 44.3%)
CIE-LAB	lab(28.16, 51.31, -48.08)
CIE-LCH	lch(28.16, 70.32, 316.86°)
OKLab	oklab(40.4% 0.1154 -0.1364)
OKLCH	oklch(40.4% 0.179 310.2)
XYZ	xyz(10.7304, 5.5168, 26.0855)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A8E #428E1A

analogous

#2C1A8E #661A8E #8E1A7C

triadic

#661A8E #8E661A #1A8E66

tetradic

#661A8E #8E2C1A #428E1A #1A7C8E

square

#661A8E #8E2C1A #428E1A #1A7C8E

split-complementary

#661A8E #7C8E1A #1A8E2C

monochromatic

#1C0727 #41115A #661A8E #8B23C2 #A945DD

Accessibility & contrast

On white

9.98

#661A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#661A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A8E

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A8E	#FFFFFF	#000000	##FFFFFF
##661A8E	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00448C

Tritanopia (blue-blind)

#603855

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661a8e;
/* rgb */ color: rgb(102, 26, 142);
/* oklch */ color: oklch(40.4% 0.179 310.2);

Tailwind

colors: {
  custom: {
    50: '#9661b0',
    500: '#661a8e',
    950: '#000000',
  },
}

SCSS

$custom: #661a8e;
$custom-light: #9661b0;
$custom-dark: #000000;

JSON

{
  "hex": "#661a8e",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 142
  },
  "hsl": {
    "h": 279.31,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40396,
    "c": 0.17872,
    "h": 310.2
  },
  "luminance": 0.05517
}

Semantic roles & 50–950 ramp

primary

#661A8E

secondary

#6FBE45

accent

#EC3C79

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #661A8E

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

Preview Lab → · Contrast checker → · Palette generator →