#6355CF#6355CF

#6355CF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.1% C 0.181 H 283.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#6355CF
RGB	rgb(99, 85, 207)
HSL	hsl(247, 56%, 57%)
HSV	hsv(247, 59%, 81%)
CMYK	cmyk(52.2%, 58.9%, 0%, 18.8%)
CIE-LAB	lab(43.73, 38.20, -61.54)
CIE-LCH	lch(43.73, 72.44, 301.83°)
OKLab	oklab(53.07% 0.0424 -0.1763)
OKLCH	oklch(53.07% 0.181 283.5)
XYZ	xyz(19.6532, 13.6536, 60.6192)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6355CF #C1CF55

analogous

#5584CF #6355CF #A055CF

triadic

#6355CF #CF6355 #55CF63

tetradic

#6355CF #CF5584 #C1CF55 #55CFA0

square

#6355CF #CF5584 #C1CF55 #55CFA0

split-complementary

#6355CF #CFA055 #84CF55

monochromatic

#302584 #4233B4 #6355CF #8F85DC #BBB4EA

Accessibility & contrast

On white

5.63

#6355CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#6355CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6355CF

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6355CF	#FFFFFF	#000000	##FFFFFF
##6355CF	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#0063CC

Tritanopia (blue-blind)

#37728A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6355cf;
/* rgb */ color: rgb(99, 85, 207);
/* oklch */ color: oklch(53.1% 0.181 283.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6355cf",
  "rgb": {
    "r": 99,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 246.885,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53072,
    "c": 0.18132,
    "h": 283.5
  },
  "luminance": 0.13655
}

Semantic roles & 50–950 ramp

primary

#6355CF

secondary

#D3D9A7

accent

#DF49CE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6355CF

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

Preview Lab → · Contrast checker → · Palette generator →