#366CA0#366CA0

#366CA0 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.9% C 0.101 H 249.6°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#366CA0
RGB	rgb(54, 108, 160)
HSL	hsl(209, 50%, 42%)
HSV	hsv(209, 66%, 63%)
CMYK	cmyk(66.3%, 32.5%, 0%, 37.3%)
CIE-LAB	lab(44.30, -0.81, -33.38)
CIE-LCH	lch(44.30, 33.39, 268.62°)
OKLab	oklab(51.88% -0.0352 -0.0944)
OKLCH	oklch(51.88% 0.101 249.6)
XYZ	xyz(13.2267, 14.0461, 35.2650)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA0 #A06A36

analogous

#36A09F #366CA0 #3637A0

triadic

#366CA0 #A0366C #6CA036

tetradic

#366CA0 #9F36A0 #A06A36 #37A036

square

#366CA0 #9F36A0 #A06A36 #37A036

split-complementary

#366CA0 #A03637 #A09F36

monochromatic

#172E44 #274D72 #366CA0 #4F8BC4 #7DA9D3

Accessibility & contrast

On white

5.51

#366CA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#366CA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA0

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA0	#FFFFFF	#000000	##FFFFFF
##366CA0	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556EA2

Deuteranopia (green-blind)

#47649F

Tritanopia (blue-blind)

#00787F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366ca0;
/* rgb */ color: rgb(54, 108, 160);
/* oklch */ color: oklch(51.9% 0.101 249.6);

Tailwind

colors: {
  custom: {
    50: '#7895bc',
    500: '#366ca0',
    950: '#000000',
  },
}

SCSS

$custom: #366ca0;
$custom-light: #7895bc;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca0",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 160
  },
  "hsl": {
    "h": 209.434,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5188,
    "c": 0.10076,
    "h": 249.6
  },
  "luminance": 0.14047
}

Semantic roles & 50–950 ramp

primary

#366CA0

secondary

#BC9875

accent

#934FD9

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA0

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

Preview Lab → · Contrast checker → · Palette generator →