#6339D3#6339D3

#6339D3 is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.3% C 0.220 H 288.0°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#6339D3
RGB	rgb(99, 57, 211)
HSL	hsl(256, 64%, 53%)
HSV	hsv(256, 73%, 83%)
CMYK	cmyk(53.1%, 73%, 0%, 17.3%)
CIE-LAB	lab(38.34, 54.82, -72.64)
CIE-LCH	lch(38.34, 91.00, 307.04°)
OKLab	oklab(49.28% 0.0677 -0.2089)
OKLCH	oklch(49.28% 0.22 288)
XYZ	xyz(18.3631, 10.2811, 62.6323)
Luminance	0.1028 (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

#6339D3 #A9D339

analogous

#395CD3 #6339D3 #B039D3

triadic

#6339D3 #D36339 #39D363

tetradic

#6339D3 #D3395C #A9D339 #39D3B0

square

#6339D3 #D3395C #A9D339 #39D3B0

split-complementary

#6339D3 #D3B039 #5CD339

monochromatic

#341A77 #4926A9 #6339D3 #8A6BDE #B29DE9

Accessibility & contrast

On white

6.87

#6339D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#6339D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6339D3

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6339D3	#FFFFFF	#000000	##FFFFFF
##6339D3	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED7

Deuteranopia (green-blind)

#0056D0

Tritanopia (blue-blind)

#366383

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #6339d3;
/* rgb */ color: rgb(99, 57, 211);
/* oklch */ color: oklch(49.3% 0.220 288.0);

Tailwind

colors: {
  custom: {
    50: '#9a74e2',
    500: '#6339d3',
    950: '#000000',
  },
}

SCSS

$custom: #6339d3;
$custom-light: #9a74e2;
$custom-dark: #000000;

JSON

{
  "hex": "#6339d3",
  "rgb": {
    "r": 99,
    "g": 57,
    "b": 211
  },
  "hsl": {
    "h": 256.364,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49281,
    "c": 0.21957,
    "h": 288
  },
  "luminance": 0.10282
}

Semantic roles & 50–950 ramp

primary

#6339D3

secondary

#C3D592

accent

#E741BA

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0815

muted

#7F7B84

Preview Lab

Preview with #6339D3

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

Preview Lab → · Contrast checker → · Palette generator →