#6443CB#6443CB

#6443CB is a mid, vivid violet. Relative luminance 0.110; OKLCH L 50.0% C 0.199 H 288.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#6443CB
RGB	rgb(100, 67, 203)
HSL	hsl(255, 57%, 53%)
HSV	hsv(255, 67%, 80%)
CMYK	cmyk(50.7%, 67%, 0%, 20.4%)
CIE-LAB	lab(39.64, 47.52, -65.89)
CIE-LCH	lch(39.64, 81.23, 305.80°)
OKLab	oklab(50.02% 0.062 -0.1891)
OKLCH	oklch(50.02% 0.199 288.2)
XYZ	xyz(18.0390, 11.0346, 57.6677)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 0.83

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6443CB #AACB43

analogous

#4366CB #6443CB #A843CB

triadic

#6443CB #CB6443 #43CB64

tetradic

#6443CB #CB4366 #AACB43 #43CBA8

square

#6443CB #CB4366 #AACB43 #43CBA8

split-complementary

#6443CB #CBA843 #66CB43

monochromatic

#342074 #4A2DA4 #6443CB #8C73D8 #B3A3E6

Accessibility & contrast

On white

6.55

#6443CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#6443CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6443CB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6443CB	#FFFFFF	#000000	##FFFFFF
##6443CB	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CF

Deuteranopia (green-blind)

#005AC8

Tritanopia (blue-blind)

#3E6581

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #6443cb;
/* rgb */ color: rgb(100, 67, 203);
/* oklch */ color: oklch(50.0% 0.199 288.2);

Tailwind

colors: {
  custom: {
    50: '#9979dc',
    500: '#6443cb',
    950: '#000000',
  },
}

SCSS

$custom: #6443cb;
$custom-light: #9979dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6443cb",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 254.559,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.5002,
    "c": 0.19896,
    "h": 288.2
  },
  "luminance": 0.11035
}

Semantic roles & 50–950 ramp

primary

#6443CB

secondary

#C4D298

accent

#E048BB

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6443CB

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

Preview Lab → · Contrast checker → · Palette generator →