#6370F7#6370F7

#6370F7 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.8% C 0.200 H 274.7°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#6370F7
RGBrgb(99, 112, 247)
HSLhsl(235, 90%, 68%)
HSVhsv(235, 60%, 97%)
CMYKcmyk(59.9%, 54.7%, 0%, 3.1%)
CIE-LABlab(52.90, 34.61, -69.29)
CIE-LCHlch(52.90, 77.46, 296.54°)
OKLaboklab(60.75% 0.0162 -0.1989)
OKLCHoklch(60.75% 0.2 274.7)
XYZxyz(27.7228, 20.9542, 90.5613)
Luminance0.2096 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6370F7 #F7EA63
analogous
#63BAF7 #6370F7 #A063F7
triadic
#6370F7 #F76370 #70F763
tetradic
#6370F7 #F763BA #F7EA63 #63F7A0
square
#6370F7 #F763BA #F7EA63 #63F7A0
split-complementary
#6370F7 #F7A063 #BAF763
monochromatic
#0B1DD5 #293BF4 #6370F7 #9DA5FA #D7DBFD

Accessibility & contrast

On white

4.05
#6370F7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.19
#6370F7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370F7
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6370F7#FFFFFF#000000##000000
##6370F71.004.055.195.19
#FFFFFF4.051.0021.0021.00
#0000005.1921.001.001.00
##0000005.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#0085FC
Deuteranopia (green-blind)
#0078F4
Tritanopia (blue-blind)
#0090A9
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #6370f7;
/* rgb */ color: rgb(99, 112, 247);
/* oklch */ color: oklch(60.8% 0.200 274.7);
Tailwind
colors: {
  custom: {
    50: '#9c99fb',
    500: '#6370f7',
    950: '#000000',
  },
}
SCSS
$custom: #6370f7;
$custom-light: #9c99fb;
$custom-dark: #000000;
JSON
{
  "hex": "#6370f7",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 247
  },
  "hsl": {
    "h": 234.73,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.60753,
    "c": 0.19955,
    "h": 274.7
  },
  "luminance": 0.20956
}

Semantic roles & 50–950 ramp

primary
#6370F7
secondary
#F2EEC4
accent
#D100E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0D17
muted
#7F7E85

Preview Lab

Preview with #6370F7

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

Preview Lab → · Contrast checker → · Palette generator →

#6370F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva