#366DAF#366DAF

#366DAF is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 53.0% C 0.120 H 254.4°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#366DAF
RGBrgb(54, 109, 175)
HSLhsl(213, 53%, 45%)
HSVhsv(213, 69%, 69%)
CMYKcmyk(69.1%, 37.7%, 0%, 31.4%)
CIE-LABlab(45.38, 3.97, -40.49)
CIE-LCHlch(45.38, 40.68, 275.60°)
OKLaboklab(52.98% -0.0321 -0.1152)
OKLCHoklch(52.98% 0.12 254.4)
XYZxyz(14.7250, 14.8152, 42.6327)
Luminance0.1482 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366DAF #AF7836
analogous
#36AAAF #366DAF #3B36AF
triadic
#366DAF #AF366D #6DAF36
tetradic
#366DAF #AF36AA #AF7836 #36AF3B
square
#366DAF #AF36AA #AF7836 #36AF3B
split-complementary
#366DAF #AF3B36 #AAAF36
monochromatic
#193351 #285080 #366DAF #578CCB #86ACDA

Accessibility & contrast

On white

5.30
#366DAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.96
#366DAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DAF
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366DAF#FFFFFF#000000##FFFFFF
##366DAF1.005.303.965.30
#FFFFFF5.301.0021.001.00
#0000003.9621.001.0021.00
##FFFFFF5.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F72B2
Deuteranopia (green-blind)
#3E66AE
Tritanopia (blue-blind)
#007C85
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #366daf;
/* rgb */ color: rgb(54, 109, 175);
/* oklch */ color: oklch(53.0% 0.120 254.4);
Tailwind
colors: {
  custom: {
    50: '#7b96c7',
    500: '#366daf',
    950: '#000000',
  },
}
SCSS
$custom: #366daf;
$custom-light: #7b96c7;
$custom-dark: #000000;
JSON
{
  "hex": "#366daf",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 175
  },
  "hsl": {
    "h": 212.727,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52982,
    "c": 0.11954,
    "h": 254.4
  },
  "luminance": 0.14817
}

Semantic roles & 50–950 ramp

primary
#366DAF
secondary
#C3A47D
accent
#9A4CDC
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #366DAF

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

Preview Lab → · Contrast checker → · Palette generator →

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