#6638B2#6638B2

#6638B2 is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.6% C 0.183 H 295.8°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#6638B2
RGB	rgb(102, 56, 178)
HSL	hsl(263, 52%, 46%)
HSV	hsv(263, 69%, 70%)
CMYK	cmyk(42.7%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(35.73, 46.80, -57.59)
CIE-LCH	lch(35.73, 74.21, 309.10°)
OKLab	oklab(46.65% 0.0794 -0.1646)
OKLCH	oklch(46.65% 0.183 295.8)
XYZ	xyz(14.9274, 8.8671, 43.0359)
Luminance	0.0887 (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

#6638B2 #84B238

analogous

#3847B2 #6638B2 #A338B2

triadic

#6638B2 #B26638 #38B266

tetradic

#6638B2 #B23847 #84B238 #38B2A3

square

#6638B2 #B23847 #84B238 #38B2A3

split-complementary

#6638B2 #B2A338 #47B238

monochromatic

#311B55 #4B2983 #6638B2 #865CCC #A88ADA

Accessibility & contrast

On white

7.57

#6638B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#6638B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638B2

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638B2	#FFFFFF	#000000	##FFFFFF
##6638B2	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#525670

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #6638b2;
/* rgb */ color: rgb(102, 56, 178);
/* oklch */ color: oklch(46.6% 0.183 295.8);

Tailwind

colors: {
  custom: {
    50: '#9872ca',
    500: '#6638b2',
    950: '#000000',
  },
}

SCSS

$custom: #6638b2;
$custom-light: #9872ca;
$custom-dark: #000000;

JSON

{
  "hex": "#6638b2",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 262.623,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46646,
    "c": 0.18275,
    "h": 295.8
  },
  "luminance": 0.08867
}

Semantic roles & 50–950 ramp

primary

#6638B2

secondary

#ABC581

accent

#DC4CA6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #6638B2

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

Preview Lab → · Contrast checker → · Palette generator →