#661EBB#661EBB

#661EBB is a dark, highly saturated violet. Relative luminance 0.073; OKLCH L 44.7% C 0.219 H 296.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#661EBB
RGB	rgb(102, 30, 187)
HSL	hsl(268, 72%, 43%)
HSV	hsv(268, 84%, 73%)
CMYK	cmyk(45.5%, 84%, 0%, 26.7%)
CIE-LAB	lab(32.57, 60.31, -68.09)
CIE-LCH	lch(32.57, 90.96, 311.53°)
OKLab	oklab(44.67% 0.0986 -0.1952)
OKLCH	oklch(44.67% 0.219 296.8)
XYZ	xyz(14.9110, 7.3408, 47.6354)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661EBB #73BB1E

analogous

#1E25BB #661EBB #B41EBB

triadic

#661EBB #BB661E #1EBB66

tetradic

#661EBB #BB1E25 #73BB1E #1EBBB4

square

#661EBB #BB1E25 #73BB1E #1EBBB4

split-complementary

#661EBB #BBB41E #25BB1E

monochromatic

#2C0D52 #491686 #661EBB #8437DF #A56CE7

Accessibility & contrast

On white

8.51

#661EBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#661EBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661EBB

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661EBB	#FFFFFF	#000000	##FFFFFF
##661EBB	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBF

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#4E4D70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #661ebb;
/* rgb */ color: rgb(102, 30, 187);
/* oklch */ color: oklch(44.7% 0.219 296.8);

Tailwind

colors: {
  custom: {
    50: '#9a65d1',
    500: '#661ebb',
    950: '#000000',
  },
}

SCSS

$custom: #661ebb;
$custom-light: #9a65d1;
$custom-dark: #000000;

JSON

{
  "hex": "#661ebb",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 187
  },
  "hsl": {
    "h": 267.516,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44668,
    "c": 0.21867,
    "h": 296.8
  },
  "luminance": 0.07341
}

Semantic roles & 50–950 ramp

primary

#661EBB

secondary

#9FCD67

accent

#EF399B

background

#FAF6FD

surface

#F4EBFA

border

#CEC6D3

text

#0F0614

muted

#7F7A83

Preview Lab

Preview with #661EBB

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

Preview Lab → · Contrast checker → · Palette generator →