#6356CB#6356CB

#6356CB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.9% C 0.175 H 283.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#6356CB
RGB	rgb(99, 86, 203)
HSL	hsl(247, 53%, 57%)
HSV	hsv(247, 58%, 80%)
CMYK	cmyk(51.2%, 57.6%, 0%, 20.4%)
CIE-LAB	lab(43.68, 36.38, -59.32)
CIE-LCH	lch(43.68, 69.59, 301.52°)
OKLab	oklab(52.95% 0.0415 -0.1698)
OKLCH	oklch(52.95% 0.175 283.7)
XYZ	xyz(19.2496, 13.6190, 58.1028)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6356CB #BECB56

analogous

#5684CB #6356CB #9E56CB

triadic

#6356CB #CB6356 #56CB63

tetradic

#6356CB #CB5684 #BECB56 #56CB9E

square

#6356CB #CB5684 #BECB56 #56CB9E

split-complementary

#6356CB #CB9E56 #84CB56

monochromatic

#31277F #4336AE #6356CB #8E85D9 #B9B4E8

Accessibility & contrast

On white

5.64

#6356CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#6356CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6356CB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6356CB	#FFFFFF	#000000	##FFFFFF
##6356CB	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#3A7188

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6356cb;
/* rgb */ color: rgb(99, 86, 203);
/* oklch */ color: oklch(52.9% 0.175 283.7);

Tailwind

colors: {
  custom: {
    50: '#9786dc',
    500: '#6356cb',
    950: '#000000',
  },
}

SCSS

$custom: #6356cb;
$custom-light: #9786dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6356cb",
  "rgb": {
    "r": 99,
    "g": 86,
    "b": 203
  },
  "hsl": {
    "h": 246.667,
    "s": 52.941,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52946,
    "c": 0.17474,
    "h": 283.7
  },
  "luminance": 0.1362
}

Semantic roles & 50–950 ramp

primary

#6356CB

secondary

#D1D6A6

accent

#DC4BCC

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6356CB

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

Preview Lab → · Contrast checker → · Palette generator →