#6357F1#6357F1

#6357F1 is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.1% C 0.222 H 280.0°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#6357F1
RGB	rgb(99, 87, 241)
HSL	hsl(245, 85%, 64%)
HSV	hsv(245, 64%, 95%)
CMYK	cmyk(58.9%, 63.9%, 0%, 5.5%)
CIE-LAB	lab(46.74, 47.48, -75.97)
CIE-LCH	lch(46.74, 89.58, 302.00°)
OKLab	oklab(56.07% 0.0384 -0.2187)
OKLCH	oklch(56.07% 0.222 280)
XYZ	xyz(24.4259, 15.8182, 84.9681)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357F1 #E5F157

analogous

#5798F1 #6357F1 #B057F1

triadic

#6357F1 #F16357 #57F163

tetradic

#6357F1 #F15798 #E5F157 #57F1B0

square

#6357F1 #F15798 #E5F157 #57F1B0

split-complementary

#6357F1 #F1B057 #98F157

monochromatic

#1D10BE #2F1FEC #6357F1 #978FF6 #CCC8FA

Accessibility & contrast

On white

5.04

#6357F1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#6357F1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357F1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357F1	#FFFFFF	#000000	##FFFFFF
##6357F1	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F6

Deuteranopia (green-blind)

#0069EE

Tritanopia (blue-blind)

#007E9C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6357f1;
/* rgb */ color: rgb(99, 87, 241);
/* oklch */ color: oklch(56.1% 0.222 280.0);

Tailwind

colors: {
  custom: {
    50: '#9d87f7',
    500: '#6357f1',
    950: '#000000',
  },
}

SCSS

$custom: #6357f1;
$custom-light: #9d87f7;
$custom-dark: #000000;

JSON

{
  "hex": "#6357f1",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 241
  },
  "hsl": {
    "h": 244.675,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.5607,
    "c": 0.22201,
    "h": 280
  },
  "luminance": 0.1582
}

Semantic roles & 50–950 ramp

primary

#6357F1

secondary

#E8EDB7

accent

#E104D0

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6357F1

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

Preview Lab → · Contrast checker → · Palette generator →