#366FAC#366FAC

#366FAC is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.3% C 0.113 H 252.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#366FAC
RGBrgb(54, 111, 172)
HSLhsl(211, 52%, 44%)
HSVhsv(211, 69%, 67%)
CMYKcmyk(68.6%, 35.5%, 0%, 32.5%)
CIE-LABlab(45.81, 1.65, -38.05)
CIE-LCHlch(45.81, 38.09, 272.48°)
OKLaboklab(53.27% -0.0349 -0.108)
OKLCHoklch(53.27% 0.113 252.1)
XYZxyz(14.6494, 15.1302, 41.1701)
Luminance0.1513 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366FAC #AC7336
analogous
#36AAAC #366FAC #3836AC
triadic
#366FAC #AC366F #6FAC36
tetradic
#366FAC #AC36AA #AC7336 #36AC38
square
#366FAC #AC36AA #AC7336 #36AC38
split-complementary
#366FAC #AC3836 #AAAC36
monochromatic
#19334F #27517D #366FAC #558ECA #84ADD8

Accessibility & contrast

On white

5.22
#366FAC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.03
#366FAC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366FAC
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366FAC#FFFFFF#000000##FFFFFF
##366FAC1.005.224.035.22
#FFFFFF5.221.0021.001.00
#0000004.0321.001.0021.00
##FFFFFF5.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5473AF
Deuteranopia (green-blind)
#4367AB
Tritanopia (blue-blind)
#007D85
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #366fac;
/* rgb */ color: rgb(54, 111, 172);
/* oklch */ color: oklch(53.3% 0.113 252.1);
Tailwind
colors: {
  custom: {
    50: '#7a98c5',
    500: '#366fac',
    950: '#000000',
  },
}
SCSS
$custom: #366fac;
$custom-light: #7a98c5;
$custom-dark: #000000;
JSON
{
  "hex": "#366fac",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 172
  },
  "hsl": {
    "h": 211.017,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53267,
    "c": 0.11349,
    "h": 252.1
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary
#366FAC
secondary
#C2A07C
accent
#964CDC
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #366FAC

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

Preview Lab → · Contrast checker → · Palette generator →

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