#366EA0#366EA0

#366EA0 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.4% C 0.099 H 247.8°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#366EA0
RGB	rgb(54, 110, 160)
HSL	hsl(208, 50%, 42%)
HSV	hsv(208, 66%, 63%)
CMYK	cmyk(66.3%, 31.2%, 0%, 37.3%)
CIE-LAB	lab(44.90, -2.02, -32.43)
CIE-LCH	lch(44.90, 32.50, 266.43°)
OKLab	oklab(52.36% -0.0373 -0.0916)
OKLCH	oklch(52.36% 0.099 247.8)
XYZ	xyz(13.4401, 14.4728, 35.3361)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366EA0 #A06836

analogous

#36A09D #366EA0 #3639A0

triadic

#366EA0 #A0366E #6EA036

tetradic

#366EA0 #9D36A0 #A06836 #39A036

square

#366EA0 #9D36A0 #A06836 #39A036

split-complementary

#366EA0 #A03639 #A09D36

monochromatic

#172F44 #274F72 #366EA0 #4F8DC4 #7DABD3

Accessibility & contrast

On white

5.39

#366EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#366EA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366EA0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366EA0	#FFFFFF	#000000	##FFFFFF
##366EA0	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5870A2

Deuteranopia (green-blind)

#4A669F

Tritanopia (blue-blind)

#007A80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366ea0;
/* rgb */ color: rgb(54, 110, 160);
/* oklch */ color: oklch(52.4% 0.099 247.8);

Tailwind

colors: {
  custom: {
    50: '#7897bc',
    500: '#366ea0',
    950: '#000000',
  },
}

SCSS

$custom: #366ea0;
$custom-light: #7897bc;
$custom-dark: #000000;

JSON

{
  "hex": "#366ea0",
  "rgb": {
    "r": 54,
    "g": 110,
    "b": 160
  },
  "hsl": {
    "h": 208.302,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.52355,
    "c": 0.09894,
    "h": 247.8
  },
  "luminance": 0.14474
}

Semantic roles & 50–950 ramp

primary

#366EA0

secondary

#BC9775

accent

#904FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366EA0

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

Preview Lab → · Contrast checker → · Palette generator →