#6357EC#6357EC

#6357EC is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 55.7% C 0.216 H 280.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#6357EC
RGB	rgb(99, 87, 236)
HSL	hsl(245, 80%, 63%)
HSV	hsv(245, 63%, 93%)
CMYK	cmyk(58.1%, 63.1%, 0%, 7.5%)
CIE-LAB	lab(46.34, 45.94, -73.80)
CIE-LCH	lch(46.34, 86.93, 301.90°)
OKLab	oklab(55.66% 0.0389 -0.2123)
OKLCH	oklch(55.66% 0.216 280.4)
XYZ	xyz(23.6893, 15.5235, 81.0886)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357EC #E0EC57

analogous

#5795EC #6357EC #AD57EC

triadic

#6357EC #EC6357 #57EC63

tetradic

#6357EC #EC5795 #E0EC57 #57ECAD

square

#6357EC #EC5795 #E0EC57 #57ECAD

split-complementary

#6357EC #ECAD57 #95EC57

monochromatic

#2114B4 #3020E6 #6357EC #968EF2 #C9C5F8

Accessibility & contrast

On white

5.12

#6357EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#6357EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357EC

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357EC	#FFFFFF	#000000	##FFFFFF
##6357EC	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F1

Deuteranopia (green-blind)

#0068E9

Tritanopia (blue-blind)

#007C9A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6357ec;
/* rgb */ color: rgb(99, 87, 236);
/* oklch */ color: oklch(55.7% 0.216 280.4);

Tailwind

colors: {
  custom: {
    50: '#9c87f3',
    500: '#6357ec',
    950: '#000000',
  },
}

SCSS

$custom: #6357ec;
$custom-light: #9c87f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6357ec",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 236
  },
  "hsl": {
    "h": 244.832,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.55663,
    "c": 0.21583,
    "h": 280.4
  },
  "luminance": 0.15525
}

Semantic roles & 50–950 ramp

primary

#6357EC

secondary

#E6EAB5

accent

#DC0ACB

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #6357EC

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

Preview Lab → · Contrast checker → · Palette generator →