#366BFD#366BFD

#366BFD is a mid, highly saturated blue. Relative luminance 0.184; OKLCH L 58.1% C 0.225 H 264.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#366BFD
RGBrgb(54, 107, 253)
HSLhsl(224, 98%, 60%)
HSVhsv(224, 79%, 99%)
CMYKcmyk(78.7%, 57.7%, 0%, 0.8%)
CIE-LABlab(49.96, 33.89, -77.49)
CIE-LCHlch(49.96, 84.58, 293.62°)
OKLaboklab(58.12% -0.0201 -0.2239)
OKLCHoklch(58.12% 0.225 264.9)
XYZxyz(24.5024, 18.3886, 95.1674)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366BFD #FDC836
analogous
#36CFFD #366BFD #6436FD
triadic
#366BFD #FD366B #6BFD36
tetradic
#366BFD #FD36CF #FDC836 #36FD64
square
#366BFD #FD36CF #FDC836 #36FD64
split-complementary
#366BFD #FD6436 #CFFD36
monochromatic
#0232B7 #0243F3 #366BFD #7398FE #AFC4FE

Accessibility & contrast

On white

4.49
#366BFD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#366BFD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #366BFD
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366BFD#FFFFFF#000000##000000
##366BFD1.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#0080FF
Deuteranopia (green-blind)
#006EFA
Tritanopia (blue-blind)
#0090AA
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #366bfd;
/* rgb */ color: rgb(54, 107, 253);
/* oklch */ color: oklch(58.1% 0.225 264.9);
Tailwind
colors: {
  custom: {
    50: '#8b94ff',
    500: '#366bfd',
    950: '#000000',
  },
}
SCSS
$custom: #366bfd;
$custom-light: #8b94ff;
$custom-dark: #000000;
JSON
{
  "hex": "#366bfd",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 253
  },
  "hsl": {
    "h": 224.02,
    "s": 98.03,
    "l": 60.196
  },
  "oklch": {
    "l": 0.58115,
    "c": 0.22485,
    "h": 264.9
  },
  "luminance": 0.18392
}

Semantic roles & 50–950 ramp

primary
#366BFD
secondary
#EED9A1
accent
#A800E6
background
#F9F9FF
surface
#F2F1FF
border
#CCCBD7
text
#0E0D18
muted
#7E7E86

Preview Lab

Preview with #366BFD

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

Preview Lab → · Contrast checker → · Palette generator →

#366BFD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva