#6347FF#6347FF

#6347FF is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 55.0% C 0.256 H 280.8°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#6347FF
RGB	rgb(99, 71, 255)
HSL	hsl(249, 100%, 64%)
HSV	hsv(249, 72%, 100%)
CMYK	cmyk(61.2%, 72.2%, 0%, 0%)
CIE-LAB	lab(44.77, 60.31, -87.02)
CIE-LCH	lch(44.77, 105.87, 304.72°)
OKLab	oklab(55.02% 0.0481 -0.251)
OKLCH	oklch(55.02% 0.256 280.8)
XYZ	xyz(25.4431, 14.3772, 96.0227)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6347FF #E3FF47

analogous

#4787FF #6347FF #BF47FF

triadic

#6347FF #FF6347 #47FF63

tetradic

#6347FF #FF4787 #E3FF47 #47FFBF

square

#6347FF #FF4787 #E3FF47 #47FFBF

split-complementary

#6347FF #FFBF47 #87FF47

monochromatic

#1F00CC #2F0AFF #6347FF #9784FF #CBC1FF

Accessibility & contrast

On white

5.42

#6347FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#6347FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6347FF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6347FF	#FFFFFF	#000000	##FFFFFF
##6347FF	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070FF

Deuteranopia (green-blind)

#0063FC

Tritanopia (blue-blind)

#007B9F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6347ff;
/* rgb */ color: rgb(99, 71, 255);
/* oklch */ color: oklch(55.0% 0.256 280.8);

Tailwind

colors: {
  custom: {
    50: '#a07eff',
    500: '#6347ff',
    950: '#000000',
  },
}

SCSS

$custom: #6347ff;
$custom-light: #a07eff;
$custom-dark: #000000;

JSON

{
  "hex": "#6347ff",
  "rgb": {
    "r": 99,
    "g": 71,
    "b": 255
  },
  "hsl": {
    "h": 249.13,
    "s": 100,
    "l": 63.922
  },
  "oklch": {
    "l": 0.55022,
    "c": 0.25558,
    "h": 280.8
  },
  "luminance": 0.14379
}

Semantic roles & 50–950 ramp

primary

#6347FF

secondary

#E7F1B1

accent

#E600C3

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #6347FF

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

Preview Lab → · Contrast checker → · Palette generator →