#6637D2#6637D2

#6637D2 is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 49.2% C 0.220 H 289.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#6637D2
RGB	rgb(102, 55, 210)
HSL	hsl(258, 63%, 52%)
HSV	hsv(258, 74%, 82%)
CMYK	cmyk(51.4%, 73.8%, 0%, 17.6%)
CIE-LAB	lab(38.22, 55.95, -72.26)
CIE-LCH	lch(38.22, 91.39, 307.75°)
OKLab	oklab(49.24% 0.0739 -0.2076)
OKLCH	oklch(49.24% 0.22 289.6)
XYZ	xyz(18.4752, 10.2095, 61.9574)
Luminance	0.1021 (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

#6637D2 #A3D237

analogous

#3755D2 #6637D2 #B437D2

triadic

#6637D2 #D26637 #37D266

tetradic

#6637D2 #D23755 #A3D237 #37D2B4

square

#6637D2 #D23755 #A3D237 #37D2B4

split-complementary

#6637D2 #D2B437 #55D237

monochromatic

#361A74 #4D25A6 #6637D2 #8C69DD #B29BE8

Accessibility & contrast

On white

6.90

#6637D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#6637D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6637D2

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6637D2	#FFFFFF	#000000	##FFFFFF
##6637D2	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD6

Deuteranopia (green-blind)

#0056CF

Tritanopia (blue-blind)

#3E6182

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #6637d2;
/* rgb */ color: rgb(102, 55, 210);
/* oklch */ color: oklch(49.2% 0.220 289.6);

Tailwind

colors: {
  custom: {
    50: '#9c73e1',
    500: '#6637d2',
    950: '#000000',
  },
}

SCSS

$custom: #6637d2;
$custom-light: #9c73e1;
$custom-dark: #000000;

JSON

{
  "hex": "#6637d2",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 210
  },
  "hsl": {
    "h": 258.194,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49236,
    "c": 0.22038,
    "h": 289.6
  },
  "luminance": 0.1021
}

Semantic roles & 50–950 ramp

primary

#6637D2

secondary

#C0D490

accent

#E641B4

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #6637D2

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

Preview Lab → · Contrast checker → · Palette generator →