#6357E9#6357E9

#6357E9 is a mid, highly saturated blue. Relative luminance 0.154; OKLCH L 55.4% C 0.212 H 280.6°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#6357E9
RGB	rgb(99, 87, 233)
HSL	hsl(245, 77%, 63%)
HSV	hsv(245, 63%, 91%)
CMYK	cmyk(57.5%, 62.7%, 0%, 8.6%)
CIE-LAB	lab(46.11, 45.02, -72.49)
CIE-LCH	lch(46.11, 85.33, 301.84°)
OKLab	oklab(55.42% 0.0391 -0.2084)
OKLCH	oklch(55.42% 0.212 280.6)
XYZ	xyz(23.2571, 15.3506, 78.8124)
Luminance	0.1535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357E9 #DDE957

analogous

#5794E9 #6357E9 #AC57E9

triadic

#6357E9 #E96357 #57E963

tetradic

#6357E9 #E95794 #DDE957 #57E9AC

square

#6357E9 #E95794 #DDE957 #57E9AC

split-complementary

#6357E9 #E9AC57 #94E957

monochromatic

#2317AF #3121E2 #6357E9 #958DF0 #C7C3F7

Accessibility & contrast

On white

5.16

#6357E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#6357E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357E9

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357E9	#FFFFFF	#000000	##FFFFFF
##6357E9	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EE

Deuteranopia (green-blind)

#0068E6

Tritanopia (blue-blind)

#0C7B98

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6357e9;
/* rgb */ color: rgb(99, 87, 233);
/* oklch */ color: oklch(55.4% 0.212 280.6);

Tailwind

colors: {
  custom: {
    50: '#9c87f1',
    500: '#6357e9',
    950: '#000000',
  },
}

SCSS

$custom: #6357e9;
$custom-light: #9c87f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6357e9",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 233
  },
  "hsl": {
    "h": 244.932,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.55421,
    "c": 0.21208,
    "h": 280.6
  },
  "luminance": 0.15352
}

Semantic roles & 50–950 ramp

primary

#6357E9

secondary

#E4E8B3

accent

#D90CC8

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #6357E9

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

Preview Lab → · Contrast checker → · Palette generator →