#661E88#661E88

#661E88 is a dark, vivid purple. Relative luminance 0.055; OKLCH L 40.3% C 0.169 H 312.1°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#661E88
RGB	rgb(102, 30, 136)
HSL	hsl(281, 64%, 33%)
HSV	hsv(281, 78%, 53%)
CMYK	cmyk(25%, 77.9%, 0%, 46.7%)
CIE-LAB	lab(28.20, 48.54, -44.29)
CIE-LCH	lch(28.20, 65.71, 317.62°)
OKLab	oklab(40.28% 0.1132 -0.1253)
OKLCH	oklch(40.28% 0.169 312.1)
XYZ	xyz(10.3869, 5.5312, 23.8082)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E88 #40881E

analogous

#311E88 #661E88 #881E75

triadic

#661E88 #88661E #1E8866

tetradic

#661E88 #88311E #40881E #1E7588

square

#661E88 #88311E #40881E #1E7588

split-complementary

#661E88 #75881E #1E8831

monochromatic

#1B0824 #401356 #661E88 #8C29BA #AA49D7

Accessibility & contrast

On white

9.97

#661E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#661E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E88

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E88	#FFFFFF	#000000	##FFFFFF
##661E88	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8B

Deuteranopia (green-blind)

#0D4486

Tritanopia (blue-blind)

#623752

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661e88;
/* rgb */ color: rgb(102, 30, 136);
/* oklch */ color: oklch(40.3% 0.169 312.1);

Tailwind

colors: {
  custom: {
    50: '#9662ab',
    500: '#661e88',
    950: '#000000',
  },
}

SCSS

$custom: #661e88;
$custom-light: #9662ab;
$custom-dark: #000000;

JSON

{
  "hex": "#661e88",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 136
  },
  "hsl": {
    "h": 280.755,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40277,
    "c": 0.16889,
    "h": 312.1
  },
  "luminance": 0.05531
}

Semantic roles & 50–950 ramp

primary

#661E88

secondary

#6DB949

accent

#E74176

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661E88

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

Preview Lab → · Contrast checker → · Palette generator →