#6638CB#6638CB

#6638CB is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.7% C 0.211 H 290.7°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#6638CB
RGB	rgb(102, 56, 203)
HSL	hsl(259, 59%, 51%)
HSV	hsv(259, 72%, 80%)
CMYK	cmyk(49.8%, 72.4%, 0%, 20.4%)
CIE-LAB	lab(37.78, 53.56, -68.92)
CIE-LCH	lch(37.78, 87.29, 307.85°)
OKLab	oklab(48.74% 0.0747 -0.1978)
OKLCH	oklch(48.74% 0.211 290.7)
XYZ	xyz(17.6701, 9.9642, 57.4806)
Luminance	0.0997 (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

#6638CB #9DCB38

analogous

#3853CB #6638CB #B038CB

triadic

#6638CB #CB6638 #38CB66

tetradic

#6638CB #CB3853 #9DCB38 #38CBB0

square

#6638CB #CB3853 #9DCB38 #38CBB0

split-complementary

#6638CB #CBB038 #53CB38

monochromatic

#351C6C #4D299D #6638CB #8B69D8 #B199E4

Accessibility & contrast

On white

7.02

#6638CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#6638CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638CB

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638CB	#FFFFFF	#000000	##FFFFFF
##6638CB	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCF

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#445F7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6638cb;
/* rgb */ color: rgb(102, 56, 203);
/* oklch */ color: oklch(48.7% 0.211 290.7);

Tailwind

colors: {
  custom: {
    50: '#9b73dc',
    500: '#6638cb',
    950: '#000000',
  },
}

SCSS

$custom: #6638cb;
$custom-light: #9b73dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6638cb",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 203
  },
  "hsl": {
    "h": 258.776,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48741,
    "c": 0.21148,
    "h": 290.7
  },
  "luminance": 0.09965
}

Semantic roles & 50–950 ramp

primary

#6638CB

secondary

#BCD08F

accent

#E246B1

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #6638CB

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

Preview Lab → · Contrast checker → · Palette generator →