#6357DC#6357DC

#6357DC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.4% C 0.196 H 281.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#6357DC
RGB	rgb(99, 87, 220)
HSL	hsl(245, 66%, 60%)
HSV	hsv(245, 60%, 86%)
CMYK	cmyk(55%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(45.13, 41.01, -66.71)
CIE-LCH	lch(45.13, 78.31, 301.58°)
OKLab	oklab(54.4% 0.0399 -0.1915)
OKLCH	oklch(54.4% 0.196 281.8)
XYZ	xyz(21.4681, 14.6350, 69.3899)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357DC #D0DC57

analogous

#578DDC #6357DC #A657DC

triadic

#6357DC #DC6357 #57DC63

tetradic

#6357DC #DC578D #D0DC57 #57DCA6

square

#6357DC #DC578D #D0DC57 #57DCA6

split-complementary

#6357DC #DCA657 #8DDC57

monochromatic

#2B2099 #392ACB #6357DC #928AE7 #C1BCF1

Accessibility & contrast

On white

5.35

#6357DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#6357DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357DC

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357DC	#FFFFFF	#000000	##FFFFFF
##6357DC	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE0

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#287791

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6357dc;
/* rgb */ color: rgb(99, 87, 220);
/* oklch */ color: oklch(54.4% 0.196 281.8);

Tailwind

colors: {
  custom: {
    50: '#9a87e8',
    500: '#6357dc',
    950: '#000000',
  },
}

SCSS

$custom: #6357dc;
$custom-light: #9a87e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6357dc",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 245.414,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.54397,
    "c": 0.19561,
    "h": 281.8
  },
  "luminance": 0.14636
}

Semantic roles & 50–950 ramp

primary

#6357DC

secondary

#DCE1AE

accent

#CD18BD

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6357DC

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

Preview Lab → · Contrast checker → · Palette generator →