#661E8F#661E8F

#661E8F is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.8% C 0.176 H 309.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#661E8F
RGB	rgb(102, 30, 143)
HSL	hsl(278, 65%, 34%)
HSV	hsv(278, 79%, 56%)
CMYK	cmyk(28.7%, 79%, 0%, 43.9%)
CIE-LAB	lab(28.74, 50.09, -47.76)
CIE-LCH	lch(28.74, 69.21, 316.37°)
OKLab	oklab(40.83% 0.1118 -0.1355)
OKLCH	oklch(40.83% 0.176 309.5)
XYZ	xyz(10.9007, 5.7367, 26.5143)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E8F #478F1E

analogous

#2E1E8F #661E8F #8F1E80

triadic

#661E8F #8F661E #1E8F66

tetradic

#661E8F #8F2E1E #478F1E #1E808F

square

#661E8F #8F2E1E #478F1E #1E808F

split-complementary

#661E8F #808F1E #1E8F2E

monochromatic

#1E092A #42135C #661E8F #8A29C2 #A74EDA

Accessibility & contrast

On white

9.78

#661E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#661E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E8F

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E8F	#FFFFFF	#000000	##FFFFFF
##661E8F	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#603A56

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661e8f;
/* rgb */ color: rgb(102, 30, 143);
/* oklch */ color: oklch(40.8% 0.176 309.5);

Tailwind

colors: {
  custom: {
    50: '#9663b1',
    500: '#661e8f',
    950: '#000000',
  },
}

SCSS

$custom: #661e8f;
$custom-light: #9663b1;
$custom-dark: #000000;

JSON

{
  "hex": "#661e8f",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 143
  },
  "hsl": {
    "h": 278.23,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40827,
    "c": 0.17569,
    "h": 309.5
  },
  "luminance": 0.05736
}

Semantic roles & 50–950 ramp

primary

#661E8F

secondary

#75BC4C

accent

#E8407D

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661E8F

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

Preview Lab → · Contrast checker → · Palette generator →