#6C63BB#6C63BB

#6C63BB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.0% C 0.134 H 285.8°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#6C63BB
RGB	rgb(108, 99, 187)
HSL	hsl(246, 39%, 56%)
HSV	hsv(246, 47%, 73%)
CMYK	cmyk(42.2%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(46.58, 25.74, -45.37)
CIE-LCH	lch(46.58, 52.17, 299.56°)
OKLab	oklab(54.97% 0.0363 -0.1285)
OKLCH	oklch(54.97% 0.134 285.8)
XYZ	xyz(19.6133, 15.6989, 49.0009)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C63BB #B2BB63

analogous

#6386BB #6C63BB #9863BB

triadic

#6C63BB #BB6C63 #63BB6C

tetradic

#6C63BB #BB6386 #B2BB63 #63BB98

square

#6C63BB #BB6386 #B2BB63 #63BB98

split-complementary

#6C63BB #BB9863 #86BB63

monochromatic

#383272 #4D449D #6C63BB #948ECE #BCB8E0

Accessibility & contrast

On white

5.07

#6C63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#6C63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6C63BB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C63BB	#FFFFFF	#000000	##FFFFFF
##6C63BB	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4171BE

Deuteranopia (green-blind)

#3F6CB9

Tritanopia (blue-blind)

#557586

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6c63bb;
/* rgb */ color: rgb(108, 99, 187);
/* oklch */ color: oklch(55.0% 0.134 285.8);

Tailwind

colors: {
  custom: {
    50: '#9a8fd0',
    500: '#6c63bb',
    950: '#000000',
  },
}

SCSS

$custom: #6c63bb;
$custom-light: #9a8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6c63bb",
  "rgb": {
    "r": 108,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 246.136,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54968,
    "c": 0.1335,
    "h": 285.8
  },
  "luminance": 0.157
}

Semantic roles & 50–950 ramp

primary

#6C63BB

secondary

#CBCFAB

accent

#CF59C3

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6C63BB

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

Preview Lab → · Contrast checker → · Palette generator →