#6337CC#6337CC

#6337CC is a mid, highly saturated violet. Relative luminance 0.097; OKLCH L 48.4% C 0.214 H 289.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#6337CC
RGB	rgb(99, 55, 204)
HSL	hsl(258, 59%, 51%)
HSV	hsv(258, 73%, 80%)
CMYK	cmyk(51.5%, 73%, 0%, 20%)
CIE-LAB	lab(37.38, 53.87, -70.17)
CIE-LCH	lch(37.38, 88.46, 307.51°)
OKLab	oklab(48.41% 0.071 -0.2016)
OKLCH	oklch(48.41% 0.214 289.4)
XYZ	xyz(17.4077, 9.7439, 58.0786)
Luminance	0.0974 (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

#6337CC #A0CC37

analogous

#3755CC #6337CC #AD37CC

triadic

#6337CC #CC6337 #37CC63

tetradic

#6337CC #CC3755 #A0CC37 #37CCAD

square

#6337CC #CC3755 #A0CC37 #37CCAD

split-complementary

#6337CC #CCAD37 #55CC37

monochromatic

#341C6D #4B289E #6337CC #8968D8 #AF99E5

Accessibility & contrast

On white

7.12

#6337CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#6337CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6337CC

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6337CC	#FFFFFF	#000000	##FFFFFF
##6337CC	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD0

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#3C5F7F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #6337cc;
/* rgb */ color: rgb(99, 55, 204);
/* oklch */ color: oklch(48.4% 0.214 289.4);

Tailwind

colors: {
  custom: {
    50: '#9972dd',
    500: '#6337cc',
    950: '#000000',
  },
}

SCSS

$custom: #6337cc;
$custom-light: #9972dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6337cc",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 257.718,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48412,
    "c": 0.21372,
    "h": 289.4
  },
  "luminance": 0.09745
}

Semantic roles & 50–950 ramp

primary

#6337CC

secondary

#BDD08E

accent

#E345B4

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #6337CC

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

Preview Lab → · Contrast checker → · Palette generator →