#6374FD#6374FD

#6374FD is a mid, highly saturated blue. Relative luminance 0.222; OKLCH L 61.9% C 0.202 H 273.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#6374FD
RGBrgb(99, 116, 253)
HSLhsl(233, 97%, 69%)
HSVhsv(233, 61%, 99%)
CMYKcmyk(60.9%, 54.2%, 0%, 0.8%)
CIE-LABlab(54.27, 34.15, -70.40)
CIE-LCHlch(54.27, 78.24, 295.88°)
OKLaboklab(61.91% 0.0127 -0.2021)
OKLCHoklch(61.91% 0.202 273.6)
XYZxyz(29.1148, 22.2329, 95.6666)
Luminance0.2223 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6374FD #FDEC63
analogous
#63C1FD #6374FD #9F63FD
triadic
#6374FD #FD6374 #74FD63
tetradic
#6374FD #FD63C1 #FDEC63 #63FD9F
square
#6374FD #FD63C1 #FDEC63 #63FD9F
split-complementary
#6374FD #FD9F63 #C1FD63
monochromatic
#031CE3 #273EFC #6374FD #9FAAFE #DCE0FF

Accessibility & contrast

On white

3.86
#6374FD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.45
#6374FD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6374FD
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6374FD#FFFFFF#000000##000000
##6374FD1.003.865.455.45
#FFFFFF3.861.0021.0021.00
#0000005.4521.001.001.00
##0000005.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#0589FF
Deuteranopia (green-blind)
#007BFA
Tritanopia (blue-blind)
#0094AD
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #6374fd;
/* rgb */ color: rgb(99, 116, 253);
/* oklch */ color: oklch(61.9% 0.202 273.6);
Tailwind
colors: {
  custom: {
    50: '#9d9bff',
    500: '#6374fd',
    950: '#000000',
  },
}
SCSS
$custom: #6374fd;
$custom-light: #9d9bff;
$custom-dark: #000000;
JSON
{
  "hex": "#6374fd",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 253
  },
  "hsl": {
    "h": 233.377,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.61908,
    "c": 0.20249,
    "h": 273.6
  },
  "luminance": 0.22235
}

Semantic roles & 50–950 ramp

primary
#6374FD
secondary
#F4EFC7
accent
#CC00E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#100E18
muted
#7F7E86

Preview Lab

Preview with #6374FD

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

Preview Lab → · Contrast checker → · Palette generator →

#6374FD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva