#6639DA#6639DA

#6639DA is a mid, highly saturated violet. Relative luminance 0.108; OKLCH L 50.2% C 0.227 H 288.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#6639DA
RGB	rgb(102, 57, 218)
HSL	hsl(257, 69%, 54%)
HSV	hsv(257, 74%, 85%)
CMYK	cmyk(53.2%, 73.9%, 0%, 14.5%)
CIE-LAB	lab(39.26, 57.17, -75.15)
CIE-LCH	lch(39.26, 94.42, 307.26°)
OKLab	oklab(50.19% 0.0704 -0.2161)
OKLCH	oklch(50.19% 0.227 288)
XYZ	xyz(19.5938, 10.8120, 67.3706)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6639DA #ADDA39

analogous

#395DDA #6639DA #B739DA

triadic

#6639DA #DA6639 #39DA66

tetradic

#6639DA #DA395D #ADDA39 #39DAB7

square

#6639DA #DA395D #ADDA39 #39DAB7

split-complementary

#6639DA #DAB739 #5DDA39

monochromatic

#351881 #4B22B4 #6639DA #8E6DE4 #B6A0ED

Accessibility & contrast

On white

6.64

#6639DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#6639DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6639DA

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6639DA	#FFFFFF	#000000	##FFFFFF
##6639DA	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0058D7

Tritanopia (blue-blind)

#376587

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #6639da;
/* rgb */ color: rgb(102, 57, 218);
/* oklch */ color: oklch(50.2% 0.227 288.0);

Tailwind

colors: {
  custom: {
    50: '#9d74e7',
    500: '#6639da',
    950: '#000000',
  },
}

SCSS

$custom: #6639da;
$custom-light: #9d74e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6639da",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 218
  },
  "hsl": {
    "h": 256.77,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5019,
    "c": 0.22728,
    "h": 288
  },
  "luminance": 0.10813
}

Semantic roles & 50–950 ramp

primary

#6639DA

secondary

#C7DA95

accent

#EB3CBA

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100816

muted

#7F7B84

Preview Lab

Preview with #6639DA

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

Preview Lab → · Contrast checker → · Palette generator →