#6357FB#6357FB

#6357FB is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.9% C 0.234 H 279.2°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#6357FB
RGB	rgb(99, 87, 251)
HSL	hsl(244, 95%, 66%)
HSV	hsv(244, 65%, 98%)
CMYK	cmyk(60.6%, 65.3%, 0%, 1.6%)
CIE-LAB	lab(47.54, 50.55, -80.25)
CIE-LCH	lch(47.54, 94.84, 302.21°)
OKLab	oklab(56.9% 0.0374 -0.2312)
OKLCH	oklch(56.9% 0.234 279.2)
XYZ	xyz(25.9608, 16.4321, 93.0518)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357FB #EFFB57

analogous

#579DFB #6357FB #B557FB

triadic

#6357FB #FB6357 #57FB63

tetradic

#6357FB #FB579D #EFFB57 #57FBB5

square

#6357FB #FB579D #EFFB57 #57FBB5

split-complementary

#6357FB #FBB557 #9DFB57

monochromatic

#1405D3 #2B1BFA #6357FB #9B93FC #D2CFFE

Accessibility & contrast

On white

4.90

#6357FB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#6357FB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357FB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357FB	#FFFFFF	#000000	##FFFFFF
##6357FB	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077FF

Deuteranopia (green-blind)

#006AF8

Tritanopia (blue-blind)

#0081A2

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6357fb;
/* rgb */ color: rgb(99, 87, 251);
/* oklch */ color: oklch(56.9% 0.234 279.2);

Tailwind

colors: {
  custom: {
    50: '#9e87fe',
    500: '#6357fb',
    950: '#000000',
  },
}

SCSS

$custom: #6357fb;
$custom-light: #9e87fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6357fb",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 251
  },
  "hsl": {
    "h": 244.39,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.56899,
    "c": 0.23423,
    "h": 279.2
  },
  "luminance": 0.16434
}

Semantic roles & 50–950 ramp

primary

#6357FB

secondary

#EEF2BC

accent

#E600D5

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #6357FB

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

Preview Lab → · Contrast checker → · Palette generator →