#366CA9#366CA9

#366CA9 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.4% C 0.113 H 253.2°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#366CA9
RGB	rgb(54, 108, 169)
HSL	hsl(212, 52%, 44%)
HSV	hsv(212, 68%, 66%)
CMYK	cmyk(68%, 36.1%, 0%, 33.7%)
CIE-LAB	lab(44.76, 2.42, -37.95)
CIE-LCH	lch(44.76, 38.03, 273.65°)
OKLab	oklab(52.4% -0.0326 -0.1078)
OKLCH	oklch(52.4% 0.113 253.2)
XYZ	xyz(14.0427, 14.3725, 39.5625)
Luminance	0.1437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA9 #A97336

analogous

#36A5A9 #366CA9 #3936A9

triadic

#366CA9 #A9366C #6CA936

tetradic

#366CA9 #A936A5 #A97336 #36A939

square

#366CA9 #A936A5 #A97336 #36A939

split-complementary

#366CA9 #A93936 #A5A936

monochromatic

#18314C #274E7B #366CA9 #548BC8 #82AAD7

Accessibility & contrast

On white

5.42

#366CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#366CA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA9

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA9	#FFFFFF	#000000	##FFFFFF
##366CA9	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5170AC

Deuteranopia (green-blind)

#4165A8

Tritanopia (blue-blind)

#007A82

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366ca9;
/* rgb */ color: rgb(54, 108, 169);
/* oklch */ color: oklch(52.4% 0.113 253.2);

Tailwind

colors: {
  custom: {
    50: '#7a95c3',
    500: '#366ca9',
    950: '#000000',
  },
}

SCSS

$custom: #366ca9;
$custom-light: #7a95c3;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca9",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 169
  },
  "hsl": {
    "h": 211.826,
    "s": 51.57,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52395,
    "c": 0.11259,
    "h": 253.2
  },
  "luminance": 0.14374
}

Semantic roles & 50–950 ramp

primary

#366CA9

secondary

#C1A07A

accent

#984DDB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA9

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

Preview Lab → · Contrast checker → · Palette generator →