#6357FF#6357FF

#6357FF is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 57.2% C 0.239 H 278.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#6357FF
RGB	rgb(99, 87, 255)
HSL	hsl(244, 100%, 67%)
HSV	hsv(244, 66%, 100%)
CMYK	cmyk(61.2%, 65.9%, 0%, 0%)
CIE-LAB	lab(47.86, 51.77, -81.94)
CIE-LCH	lch(47.86, 96.93, 302.29°)
OKLab	oklab(57.24% 0.0369 -0.2362)
OKLCH	oklch(57.24% 0.239 278.9)
XYZ	xyz(26.5980, 16.6870, 96.4076)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357FF #F3FF57

analogous

#579FFF #6357FF #B757FF

triadic

#6357FF #FF6357 #57FF63

tetradic

#6357FF #FF579F #F3FF57 #57FFB7

square

#6357FF #FF579F #F3FF57 #57FFB7

split-complementary

#6357FF #FFB757 #9FFF57

monochromatic

#1000DC #2A1AFF #6357FF #9C94FF #D5D1FF

Accessibility & contrast

On white

4.84

#6357FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#6357FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357FF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357FF	#FFFFFF	#000000	##FFFFFF
##6357FF	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078FF

Deuteranopia (green-blind)

#006BFC

Tritanopia (blue-blind)

#0083A4

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6357ff;
/* rgb */ color: rgb(99, 87, 255);
/* oklch */ color: oklch(57.2% 0.239 278.9);

Tailwind

colors: {
  custom: {
    50: '#9f88ff',
    500: '#6357ff',
    950: '#000000',
  },
}

SCSS

$custom: #6357ff;
$custom-light: #9f88ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6357ff",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 255
  },
  "hsl": {
    "h": 244.286,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.57236,
    "c": 0.23905,
    "h": 278.9
  },
  "luminance": 0.16689
}

Semantic roles & 50–950 ramp

primary

#6357FF

secondary

#F0F4BE

accent

#E600D5

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #6357FF

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

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