#6639BC#6639BC

#6639BC is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.6% C 0.193 H 293.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#6639BC
RGB	rgb(102, 57, 188)
HSL	hsl(261, 53%, 48%)
HSV	hsv(261, 70%, 74%)
CMYK	cmyk(45.7%, 69.7%, 0%, 26.3%)
CIE-LAB	lab(36.71, 48.98, -61.90)
CIE-LCH	lch(36.71, 78.94, 308.36°)
OKLab	oklab(47.6% 0.0768 -0.1772)
OKLCH	oklch(47.6% 0.193 293.4)
XYZ	xyz(16.0172, 9.3814, 48.5341)
Luminance	0.0938 (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

#6639BC #8FBC39

analogous

#394DBC #6639BC #A739BC

triadic

#6639BC #BC6639 #39BC66

tetradic

#6639BC #BC394D #8FBC39 #39BCA7

square

#6639BC #BC394D #8FBC39 #39BCA7

split-complementary

#6639BC #BCA739 #4DBC39

monochromatic

#331D5E #4D2B8D #6639BC #8863D0 #AC92DE

Accessibility & contrast

On white

7.30

#6639BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#6639BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6639BC

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6639BC	#FFFFFF	#000000	##FFFFFF
##6639BC	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#4D5A76

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #6639bc;
/* rgb */ color: rgb(102, 57, 188);
/* oklch */ color: oklch(47.6% 0.193 293.4);

Tailwind

colors: {
  custom: {
    50: '#9973d1',
    500: '#6639bc',
    950: '#000000',
  },
}

SCSS

$custom: #6639bc;
$custom-light: #9973d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6639bc",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 188
  },
  "hsl": {
    "h": 260.611,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47595,
    "c": 0.19317,
    "h": 293.4
  },
  "luminance": 0.09382
}

Semantic roles & 50–950 ramp

primary

#6639BC

secondary

#B3C988

accent

#DD4BAB

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #6639BC

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

Preview Lab → · Contrast checker → · Palette generator →