#6357BF#6357BF

#6357BF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.157 H 284.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#6357BF
RGB	rgb(99, 87, 191)
HSL	hsl(247, 45%, 55%)
HSV	hsv(247, 54%, 75%)
CMYK	cmyk(48.2%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(43.11, 32.12, -53.30)
CIE-LCH	lch(43.11, 62.23, 301.07°)
OKLab	oklab(52.26% 0.0402 -0.152)
OKLCH	oklch(52.26% 0.157 284.8)
XYZ	xyz(17.9550, 13.2298, 50.8876)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6357BF #B3BF57

analogous

#577FBF #6357BF #9757BF

triadic

#6357BF #BF6357 #57BF63

tetradic

#6357BF #BF577F #B3BF57 #57BF97

square

#6357BF #BF577F #B3BF57 #57BF97

split-complementary

#6357BF #BF9757 #7FBF57

monochromatic

#332B71 #473C9D #6357BF #8C83D0 #B5B0E1

Accessibility & contrast

On white

5.76

#6357BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#6357BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6357BF

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6357BF	#FFFFFF	#000000	##FFFFFF
##6357BF	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D69C3

Deuteranopia (green-blind)

#1863BD

Tritanopia (blue-blind)

#436E82

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #6357bf;
/* rgb */ color: rgb(99, 87, 191);
/* oklch */ color: oklch(52.3% 0.157 284.8);

Tailwind

colors: {
  custom: {
    50: '#9686d3',
    500: '#6357bf',
    950: '#000000',
  },
}

SCSS

$custom: #6357bf;
$custom-light: #9686d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6357bf",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 246.923,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52262,
    "c": 0.15725,
    "h": 284.8
  },
  "luminance": 0.13231
}

Semantic roles & 50–950 ramp

primary

#6357BF

secondary

#CACFA3

accent

#D553C6

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #6357BF

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

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