#6633B5#6633B5

#6633B5 is a mid, vivid violet. Relative luminance 0.085; OKLCH L 46.2% C 0.192 H 295.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#6633B5
RGB	rgb(102, 51, 181)
HSL	hsl(264, 56%, 45%)
HSV	hsv(264, 72%, 71%)
CMYK	cmyk(43.6%, 71.8%, 0%, 29%)
CIE-LAB	lab(35.06, 50.13, -60.46)
CIE-LCH	lch(35.06, 78.53, 309.66°)
OKLab	oklab(46.25% 0.0839 -0.173)
OKLCH	oklch(46.25% 0.192 295.9)
XYZ	xyz(15.0016, 8.5283, 44.5628)
Luminance	0.0853 (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

#6633B5 #82B533

analogous

#3341B5 #6633B5 #A733B5

triadic

#6633B5 #B56633 #33B566

tetradic

#6633B5 #B53341 #82B533 #33B5A7

square

#6633B5 #B53341 #82B533 #33B5A7

split-complementary

#6633B5 #B5A733 #41B533

monochromatic

#301856 #4B2685 #6633B5 #8656CF #A886DD

Accessibility & contrast

On white

7.76

#6633B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#6633B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6633B5

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6633B5	#FFFFFF	#000000	##FFFFFF
##6633B5	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#515471

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #6633b5;
/* rgb */ color: rgb(102, 51, 181);
/* oklch */ color: oklch(46.2% 0.192 295.9);

Tailwind

colors: {
  custom: {
    50: '#996fcc',
    500: '#6633b5',
    950: '#000000',
  },
}

SCSS

$custom: #6633b5;
$custom-light: #996fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#6633b5",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 263.538,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46245,
    "c": 0.19224,
    "h": 295.9
  },
  "luminance": 0.08529
}

Semantic roles & 50–950 ramp

primary

#6633B5

secondary

#AAC67D

accent

#DF48A4

background

#F9F6FC

surface

#F2ECF9

border

#CCC7D2

text

#0F0813

muted

#7E7B82

Preview Lab

Preview with #6633B5

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

Preview Lab → · Contrast checker → · Palette generator →