#6357F3#6357F3

#6357F3 is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 56.2% C 0.224 H 279.8°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#6357F3
RGB	rgb(99, 87, 243)
HSL	hsl(245, 87%, 65%)
HSV	hsv(245, 64%, 95%)
CMYK	cmyk(59.3%, 64.2%, 0%, 4.7%)
CIE-LAB	lab(46.89, 48.09, -76.83)
CIE-LCH	lch(46.89, 90.64, 302.05°)
OKLab	oklab(56.23% 0.0382 -0.2212)
OKLCH	oklch(56.23% 0.224 279.8)
XYZ	xyz(24.7263, 15.9383, 86.5501)
Luminance	0.1594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357F3 #E7F357

analogous

#5799F3 #6357F3 #B157F3

triadic

#6357F3 #F36357 #57F363

tetradic

#6357F3 #F35799 #E7F357 #57F3B1

square

#6357F3 #F35799 #E7F357 #57F3B1

split-complementary

#6357F3 #F3B157 #99F357

monochromatic

#1C0EC2 #2E1EEF #6357F3 #9890F7 #CDC9FB

Accessibility & contrast

On white

5.01

#6357F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#6357F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357F3

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357F3	#FFFFFF	#000000	##FFFFFF
##6357F3	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F8

Deuteranopia (green-blind)

#0069F0

Tritanopia (blue-blind)

#007F9D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6357f3;
/* rgb */ color: rgb(99, 87, 243);
/* oklch */ color: oklch(56.2% 0.224 279.8);

Tailwind

colors: {
  custom: {
    50: '#9d87f8',
    500: '#6357f3',
    950: '#000000',
  },
}

SCSS

$custom: #6357f3;
$custom-light: #9d87f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6357f3",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 243
  },
  "hsl": {
    "h": 244.615,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.56234,
    "c": 0.22447,
    "h": 279.8
  },
  "luminance": 0.1594
}

Semantic roles & 50–950 ramp

primary

#6357F3

secondary

#EAEEB8

accent

#E302D2

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6357F3

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

Preview Lab → · Contrast checker → · Palette generator →