#6359F3#6359F3

#6359F3 is a mid, highly saturated blue. Relative luminance 0.163; OKLCH L 56.5% C 0.222 H 279.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#6359F3
RGB	rgb(99, 89, 243)
HSL	hsl(244, 87%, 65%)
HSV	hsv(244, 63%, 95%)
CMYK	cmyk(59.3%, 63.4%, 0%, 4.7%)
CIE-LAB	lab(47.32, 46.95, -76.13)
CIE-LCH	lch(47.32, 89.44, 301.66°)
OKLab	oklab(56.55% 0.0366 -0.2191)
OKLCH	oklch(56.55% 0.222 279.5)
XYZ	xyz(24.8905, 16.2667, 86.6048)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6359F3 #E9F359

analogous

#599CF3 #6359F3 #B059F3

triadic

#6359F3 #F36359 #59F363

tetradic

#6359F3 #F3599C #E9F359 #59F3B0

square

#6359F3 #F3599C #E9F359 #59F3B0

split-complementary

#6359F3 #F3B059 #9CF359

monochromatic

#1A0EC3 #2D20EF #6359F3 #9992F7 #CECBFB

Accessibility & contrast

On white

4.94

#6359F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#6359F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6359F3

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6359F3	#FFFFFF	#000000	##FFFFFF
##6359F3	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F8

Deuteranopia (green-blind)

#006AF0

Tritanopia (blue-blind)

#00809E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6359f3;
/* rgb */ color: rgb(99, 89, 243);
/* oklch */ color: oklch(56.5% 0.222 279.5);

Tailwind

colors: {
  custom: {
    50: '#9d89f8',
    500: '#6359f3',
    950: '#000000',
  },
}

SCSS

$custom: #6359f3;
$custom-light: #9d89f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6359f3",
  "rgb": {
    "r": 99,
    "g": 89,
    "b": 243
  },
  "hsl": {
    "h": 243.896,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.56546,
    "c": 0.22217,
    "h": 279.5
  },
  "luminance": 0.16268
}

Semantic roles & 50–950 ramp

primary

#6359F3

secondary

#EBEEBA

accent

#E302D4

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6359F3

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

Preview Lab → · Contrast checker → · Palette generator →