#6357EF#6357EF

#6357EF is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.9% C 0.220 H 280.1°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#6357EF
RGB	rgb(99, 87, 239)
HSL	hsl(245, 83%, 64%)
HSV	hsv(245, 64%, 94%)
CMYK	cmyk(58.6%, 63.6%, 0%, 6.3%)
CIE-LAB	lab(46.58, 46.86, -75.10)
CIE-LCH	lch(46.58, 88.52, 301.96°)
OKLab	oklab(55.91% 0.0386 -0.2161)
OKLCH	oklch(55.91% 0.22 280.1)
XYZ	xyz(24.1289, 15.6993, 83.4034)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357EF #E3EF57

analogous

#5797EF #6357EF #AF57EF

triadic

#6357EF #EF6357 #57EF63

tetradic

#6357EF #EF5797 #E3EF57 #57EFAF

square

#6357EF #EF5797 #E3EF57 #57EFAF

split-complementary

#6357EF #EFAF57 #97EF57

monochromatic

#1F12BA #2F1FEA #6357EF #978FF4 #CBC7FA

Accessibility & contrast

On white

5.07

#6357EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#6357EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357EF

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357EF	#FFFFFF	#000000	##FFFFFF
##6357EF	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F4

Deuteranopia (green-blind)

#0069EC

Tritanopia (blue-blind)

#007D9B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6357ef;
/* rgb */ color: rgb(99, 87, 239);
/* oklch */ color: oklch(55.9% 0.220 280.1);

Tailwind

colors: {
  custom: {
    50: '#9c87f5',
    500: '#6357ef',
    950: '#000000',
  },
}

SCSS

$custom: #6357ef;
$custom-light: #9c87f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6357ef",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 239
  },
  "hsl": {
    "h": 244.737,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.55906,
    "c": 0.21955,
    "h": 280.1
  },
  "luminance": 0.15701
}

Semantic roles & 50–950 ramp

primary

#6357EF

secondary

#E7ECB6

accent

#DF06CE

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6357EF

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

Preview Lab → · Contrast checker → · Palette generator →