#366CD7#366CD7

#366CD7 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.175 H 262.2°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#366CD7
RGBrgb(54, 108, 215)
HSLhsl(220, 67%, 53%)
HSVhsv(220, 75%, 84%)
CMYKcmyk(74.9%, 49.8%, 0%, 15.7%)
CIE-LABlab(47.51, 19.34, -60.13)
CIE-LCHlch(47.51, 63.16, 287.83°)
OKLaboklab(55.41% -0.0237 -0.1729)
OKLCHoklch(55.41% 0.175 262.2)
XYZxyz(19.1452, 16.4135, 66.4359)
Luminance0.1642 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366CD7 #D7A136
analogous
#36BCD7 #366CD7 #5136D7
triadic
#366CD7 #D7366C #6CD736
tetradic
#366CD7 #D736BC #D7A136 #36D751
square
#366CD7 #D736BC #D7A136 #36D751
split-complementary
#366CD7 #D75136 #BCD736
monochromatic
#18397A #2251AD #366CD7 #6991E1 #9CB7EB

Accessibility & contrast

On white

4.90
#366CD7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#366CD7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CD7
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366CD7#FFFFFF#000000##FFFFFF
##366CD71.004.904.284.90
#FFFFFF4.901.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B79DB
Deuteranopia (green-blind)
#006AD5
Tritanopia (blue-blind)
#008697
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #366cd7;
/* rgb */ color: rgb(54, 108, 215);
/* oklch */ color: oklch(55.4% 0.175 262.2);
Tailwind
colors: {
  custom: {
    50: '#8395e4',
    500: '#366cd7',
    950: '#000000',
  },
}
SCSS
$custom: #366cd7;
$custom-light: #8395e4;
$custom-dark: #000000;
JSON
{
  "hex": "#366cd7",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 215
  },
  "hsl": {
    "h": 219.876,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55407,
    "c": 0.17451,
    "h": 262.2
  },
  "luminance": 0.16416
}

Semantic roles & 50–950 ramp

primary
#366CD7
secondary
#D7C092
accent
#B03EEA
background
#F8F9FE
surface
#F0F1FC
border
#CBCBD5
text
#0C0D16
muted
#7D7E84

Preview Lab

Preview with #366CD7

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

Preview Lab → · Contrast checker → · Palette generator →

#366CD7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva