#6638C4#6638C4

#6638C4 is a mid, highly saturated violet. Relative luminance 0.096; OKLCH L 48.1% C 0.204 H 292.0°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#6638C4
RGB	rgb(102, 56, 196)
HSL	hsl(260, 56%, 49%)
HSV	hsv(260, 71%, 77%)
CMYK	cmyk(48%, 71.4%, 0%, 23.1%)
CIE-LAB	lab(37.18, 51.66, -65.81)
CIE-LCH	lch(37.18, 83.67, 308.13°)
OKLab	oklab(48.14% 0.0762 -0.1887)
OKLCH	oklch(48.14% 0.204 292)
XYZ	xyz(16.8547, 9.6380, 53.1861)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6638C4 #96C438

analogous

#3850C4 #6638C4 #AC38C4

triadic

#6638C4 #C46638 #38C466

tetradic

#6638C4 #C43850 #96C438 #38C4AC

square

#6638C4 #C43850 #96C438 #38C4AC

split-complementary

#6638C4 #C4AC38 #50C438

monochromatic

#341D65 #4D2A94 #6638C4 #8A66D3 #AE96E1

Accessibility & contrast

On white

7.17

#6638C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#6638C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638C4

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638C4	#FFFFFF	#000000	##FFFFFF
##6638C4	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC8

Deuteranopia (green-blind)

#0055C1

Tritanopia (blue-blind)

#485C7A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #6638c4;
/* rgb */ color: rgb(102, 56, 196);
/* oklch */ color: oklch(48.1% 0.204 292.0);

Tailwind

colors: {
  custom: {
    50: '#9a73d7',
    500: '#6638c4',
    950: '#000000',
  },
}

SCSS

$custom: #6638c4;
$custom-light: #9a73d7;
$custom-dark: #000000;

JSON

{
  "hex": "#6638c4",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 196
  },
  "hsl": {
    "h": 259.714,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48138,
    "c": 0.20353,
    "h": 292
  },
  "luminance": 0.09639
}

Semantic roles & 50–950 ramp

primary

#6638C4

secondary

#B7CC8C

accent

#DF49AE

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0814

muted

#7F7B83

Preview Lab

Preview with #6638C4

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

Preview Lab → · Contrast checker → · Palette generator →