#6355CE#6355CE

#6355CE is a mid, vivid blue. Relative luminance 0.136; OKLCH L 53.0% C 0.180 H 283.6°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#6355CE
RGB	rgb(99, 85, 206)
HSL	hsl(247, 55%, 57%)
HSV	hsv(247, 59%, 81%)
CMYK	cmyk(51.9%, 58.7%, 0%, 19.2%)
CIE-LAB	lab(43.66, 37.90, -61.08)
CIE-LCH	lch(43.66, 71.88, 301.81°)
OKLab	oklab(53% 0.0425 -0.1749)
OKLCH	oklch(53% 0.18 283.6)
XYZ	xyz(19.5313, 13.6048, 59.9774)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6355CE #C0CE55

analogous

#5584CE #6355CE #A055CE

triadic

#6355CE #CE6355 #55CE63

tetradic

#6355CE #CE5584 #C0CE55 #55CEA0

square

#6355CE #CE5584 #C0CE55 #55CEA0

split-complementary

#6355CE #CEA055 #84CE55

monochromatic

#312683 #4233B2 #6355CE #8F85DC #BAB4E9

Accessibility & contrast

On white

5.64

#6355CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#6355CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6355CE

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6355CE	#FFFFFF	#000000	##FFFFFF
##6355CE	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)

#006BD2

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#387189

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6355ce;
/* rgb */ color: rgb(99, 85, 206);
/* oklch */ color: oklch(53.0% 0.180 283.6);

Tailwind

colors: {
  custom: {
    50: '#9885de',
    500: '#6355ce',
    950: '#000000',
  },
}

SCSS

$custom: #6355ce;
$custom-light: #9885de;
$custom-dark: #000000;

JSON

{
  "hex": "#6355ce",
  "rgb": {
    "r": 99,
    "g": 85,
    "b": 206
  },
  "hsl": {
    "h": 246.942,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52997,
    "c": 0.18002,
    "h": 283.6
  },
  "luminance": 0.13606
}

Semantic roles & 50–950 ramp

primary

#6355CE

secondary

#D2D8A7

accent

#DF49CD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6355CE

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

Preview Lab → · Contrast checker → · Palette generator →