#366AB4#366AB4

#366AB4 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.6% C 0.130 H 257.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#366AB4
RGBrgb(54, 106, 180)
HSLhsl(215, 54%, 46%)
HSVhsv(215, 70%, 71%)
CMYKcmyk(70%, 41.1%, 0%, 29.4%)
CIE-LABlab(44.78, 7.67, -44.36)
CIE-LCHlch(44.78, 45.02, 279.81°)
OKLaboklab(52.61% -0.0279 -0.1265)
OKLCHoklch(52.61% 0.13 257.5)
XYZxyz(14.9106, 14.3861, 45.1621)
Luminance0.1439 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366AB4 #B48036
analogous
#36A9B4 #366AB4 #4136B4
triadic
#366AB4 #B4366A #6AB436
tetradic
#366AB4 #B436A9 #B48036 #36B441
square
#366AB4 #B436A9 #B48036 #36B441
split-complementary
#366AB4 #B44136 #A9B436
monochromatic
#1A3356 #284E85 #366AB4 #5A8ACD #89ABDC

Accessibility & contrast

On white

5.42
#366AB4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#366AB4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366AB4
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366AB4#FFFFFF#000000##FFFFFF
##366AB41.005.423.885.42
#FFFFFF5.421.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4770B7
Deuteranopia (green-blind)
#3365B2
Tritanopia (blue-blind)
#007B86
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #366ab4;
/* rgb */ color: rgb(54, 106, 180);
/* oklch */ color: oklch(52.6% 0.130 257.5);
Tailwind
colors: {
  custom: {
    50: '#7c94cb',
    500: '#366ab4',
    950: '#000000',
  },
}
SCSS
$custom: #366ab4;
$custom-light: #7c94cb;
$custom-dark: #000000;
JSON
{
  "hex": "#366ab4",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 180
  },
  "hsl": {
    "h": 215.238,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52607,
    "c": 0.1296,
    "h": 257.5
  },
  "luminance": 0.14388
}

Semantic roles & 50–950 ramp

primary
#366AB4
secondary
#C6A980
accent
#A14BDD
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0B0D13
muted
#7C7E82

Preview Lab

Preview with #366AB4

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

Preview Lab → · Contrast checker → · Palette generator →

#366AB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva