#6370F8#6370F8

#6370F8 is a mid, highly saturated blue. Relative luminance 0.210; OKLCH L 60.8% C 0.201 H 274.6°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX#6370F8
RGBrgb(99, 112, 248)
HSLhsl(235, 91%, 68%)
HSVhsv(235, 60%, 97%)
CMYKcmyk(60.1%, 54.8%, 0%, 2.7%)
CIE-LABlab(52.97, 34.93, -69.74)
CIE-LCHlch(52.97, 78.00, 296.61°)
OKLaboklab(60.83% 0.0162 -0.2002)
OKLCHoklch(60.83% 0.201 274.6)
XYZxyz(27.8775, 21.0161, 91.3762)
Luminance0.2102 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6370F8 #F8EB63
analogous
#63BAF8 #6370F8 #A063F8
triadic
#6370F8 #F86370 #70F863
tetradic
#6370F8 #F863BA #F8EB63 #63F8A0
square
#6370F8 #F863BA #F8EB63 #63F8A0
split-complementary
#6370F8 #F8A063 #BAF863
monochromatic
#0A1CD7 #283AF5 #6370F8 #9EA6FB #D8DBFD

Accessibility & contrast

On white

4.04
#6370F8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.20
#6370F8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370F8
5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6370F8#FFFFFF#000000##000000
##6370F81.004.045.205.20
#FFFFFF4.041.0021.0021.00
#0000005.2021.001.001.00
##0000005.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#0085FD
Deuteranopia (green-blind)
#0078F5
Tritanopia (blue-blind)
#0090A9
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #6370f8;
/* rgb */ color: rgb(99, 112, 248);
/* oklch */ color: oklch(60.8% 0.201 274.6);
Tailwind
colors: {
  custom: {
    50: '#9c99fb',
    500: '#6370f8',
    950: '#000000',
  },
}
SCSS
$custom: #6370f8;
$custom-light: #9c99fb;
$custom-dark: #000000;
JSON
{
  "hex": "#6370f8",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 248
  },
  "hsl": {
    "h": 234.765,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.60825,
    "c": 0.20086,
    "h": 274.6
  },
  "luminance": 0.21018
}

Semantic roles & 50–950 ramp

primary
#6370F8
secondary
#F2EEC5
accent
#D100E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0D18
muted
#7F7E86

Preview Lab

Preview with #6370F8

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

Preview Lab → · Contrast checker → · Palette generator →

#6370F8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva