#6628A4#6628A4

#6628A4 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.5% C 0.186 H 301.7°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#6628A4
RGB	rgb(102, 40, 164)
HSL	hsl(270, 61%, 40%)
HSV	hsv(270, 76%, 64%)
CMYK	cmyk(37.8%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(31.86, 50.92, -55.51)
CIE-LCH	lch(31.86, 75.33, 312.53°)
OKLab	oklab(43.55% 0.0979 -0.1584)
OKLCH	oklch(43.55% 0.186 301.7)
XYZ	xyz(12.9375, 7.0226, 35.7887)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6628A4 #66A428

analogous

#2828A4 #6628A4 #A428A4

triadic

#6628A4 #A46628 #28A466

tetradic

#6628A4 #A42828 #66A428 #28A4A4

square

#6628A4 #A42828 #66A428 #28A4A4

split-complementary

#6628A4 #A4A428 #28A428

monochromatic

#291042 #471C73 #6628A4 #853ACF #A36BDB

Accessibility & contrast

On white

8.73

#6628A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#6628A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6628A4

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6628A4	#FFFFFF	#000000	##FFFFFF
##6628A4	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA8

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#594864

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #6628a4;
/* rgb */ color: rgb(102, 40, 164);
/* oklch */ color: oklch(43.5% 0.186 301.7);

Tailwind

colors: {
  custom: {
    50: '#9768c0',
    500: '#6628a4',
    950: '#000000',
  },
}

SCSS

$custom: #6628a4;
$custom-light: #9768c0;
$custom-dark: #000000;

JSON

{
  "hex": "#6628a4",
  "rgb": {
    "r": 102,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 270,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.43549,
    "c": 0.18619,
    "h": 301.7
  },
  "luminance": 0.07023
}

Semantic roles & 50–950 ramp

primary

#6628A4

secondary

#94C166

accent

#E44494

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #6628A4

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

Preview Lab → · Contrast checker → · Palette generator →