#661F89#661F89

#661F89 is a dark, vivid purple. Relative luminance 0.056; OKLCH L 40.5% C 0.169 H 311.6°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#661F89
RGB	rgb(102, 31, 137)
HSL	hsl(280, 63%, 33%)
HSV	hsv(280, 77%, 54%)
CMYK	cmyk(25.5%, 77.4%, 0%, 46.3%)
CIE-LAB	lab(28.41, 48.37, -44.57)
CIE-LCH	lch(28.41, 65.77, 317.34°)
OKLab	oklab(40.45% 0.1121 -0.1262)
OKLCH	oklch(40.45% 0.169 311.6)
XYZ	xyz(10.4840, 5.6112, 24.1928)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F89 #42891F

analogous

#311F89 #661F89 #891F77

triadic

#661F89 #89661F #1F8966

tetradic

#661F89 #89311F #42891F #1F7789

square

#661F89 #89311F #42891F #1F7789

split-complementary

#661F89 #77891F #1F8931

monochromatic

#1C0825 #411457 #661F89 #8B2ABB #A94CD6

Accessibility & contrast

On white

9.90

#661F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#661F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F89

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F89	#FFFFFF	#000000	##FFFFFF
##661F89	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408C

Deuteranopia (green-blind)

#0C4487

Tritanopia (blue-blind)

#623853

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661f89;
/* rgb */ color: rgb(102, 31, 137);
/* oklch */ color: oklch(40.5% 0.169 311.6);

Tailwind

colors: {
  custom: {
    50: '#9663ac',
    500: '#661f89',
    950: '#000000',
  },
}

SCSS

$custom: #661f89;
$custom-light: #9663ac;
$custom-dark: #000000;

JSON

{
  "hex": "#661f89",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 137
  },
  "hsl": {
    "h": 280.189,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4045,
    "c": 0.16876,
    "h": 311.6
  },
  "luminance": 0.05611
}

Semantic roles & 50–950 ramp

primary

#661F89

secondary

#6FB94B

accent

#E64278

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661F89

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

Preview Lab → · Contrast checker → · Palette generator →