#366FAF#366FAF

#366FAF is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.4% C 0.117 H 253.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#366FAF
RGBrgb(54, 111, 175)
HSLhsl(212, 53%, 45%)
HSVhsv(212, 69%, 69%)
CMYKcmyk(69.1%, 36.6%, 0%, 31.4%)
CIE-LABlab(45.97, 2.73, -39.55)
CIE-LCHlch(45.97, 39.65, 273.95°)
OKLaboklab(53.44% -0.0341 -0.1124)
OKLCHoklch(53.44% 0.117 253.1)
XYZxyz(14.9408, 15.2467, 42.7046)
Luminance0.1525 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#366FAF #AF7636
analogous
#36ABAF #366FAF #3A36AF
triadic
#366FAF #AF366F #6FAF36
tetradic
#366FAF #AF36AB #AF7636 #36AF3A
square
#366FAF #AF36AB #AF7636 #36AF3A
split-complementary
#366FAF #AF3A36 #ABAF36
monochromatic
#193451 #285180 #366FAF #578ECB #86ADDA

Accessibility & contrast

On white

5.19
#366FAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.05
#366FAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366FAF
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##366FAF#FFFFFF#000000##FFFFFF
##366FAF1.005.194.055.19
#FFFFFF5.191.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5273B2
Deuteranopia (green-blind)
#4168AE
Tritanopia (blue-blind)
#007E87
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #366faf;
/* rgb */ color: rgb(54, 111, 175);
/* oklch */ color: oklch(53.4% 0.117 253.1);
Tailwind
colors: {
  custom: {
    50: '#7b97c7',
    500: '#366faf',
    950: '#000000',
  },
}
SCSS
$custom: #366faf;
$custom-light: #7b97c7;
$custom-dark: #000000;
JSON
{
  "hex": "#366faf",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 175
  },
  "hsl": {
    "h": 211.736,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53443,
    "c": 0.11745,
    "h": 253.1
  },
  "luminance": 0.15248
}

Semantic roles & 50–950 ramp

primary
#366FAF
secondary
#C3A27D
accent
#984CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #366FAF

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

Preview Lab → · Contrast checker → · Palette generator →

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