#6370E5#6370E5

#6370E5 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.5% C 0.176 H 275.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#6370E5
RGB	rgb(99, 112, 229)
HSL	hsl(234, 71%, 64%)
HSV	hsv(234, 57%, 90%)
CMYK	cmyk(56.8%, 51.1%, 0%, 10.2%)
CIE-LAB	lab(51.72, 28.80, -61.14)
CIE-LCH	lch(51.72, 67.59, 295.22°)
OKLab	oklab(59.49% 0.0152 -0.1749)
OKLCH	oklch(59.49% 0.176 275)
XYZ	xyz(25.0780, 19.8963, 76.6324)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370E5 #E5D863

analogous

#63B1E5 #6370E5 #9763E5

triadic

#6370E5 #E56370 #70E563

tetradic

#6370E5 #E563B1 #E5D863 #63E597

square

#6370E5 #E563B1 #E5D863 #63E597

split-complementary

#6370E5 #E59763 #B1E563

monochromatic

#1D2CB0 #2F40DC #6370E5 #97A0EE #CCD0F6

Accessibility & contrast

On white

4.22

#6370E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#6370E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370E5

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370E5	#FFFFFF	#000000	##000000
##6370E5	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3081E9

Deuteranopia (green-blind)

#1376E3

Tritanopia (blue-blind)

#0D8BA0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6370e5;
/* rgb */ color: rgb(99, 112, 229);
/* oklch */ color: oklch(59.5% 0.176 275.0);

Tailwind

colors: {
  custom: {
    50: '#9998ee',
    500: '#6370e5',
    950: '#000000',
  },
}

SCSS

$custom: #6370e5;
$custom-light: #9998ee;
$custom-dark: #000000;

JSON

{
  "hex": "#6370e5",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 229
  },
  "hsl": {
    "h": 234,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.59492,
    "c": 0.17557,
    "h": 275
  },
  "luminance": 0.19898
}

Semantic roles & 50–950 ramp

primary

#6370E5

secondary

#E8E4BB

accent

#C012D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #6370E5

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

Preview Lab → · Contrast checker → · Palette generator →