#366B8A#366B8A

#366B8A is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.5% C 0.075 H 236.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#366B8A
RGB	rgb(54, 107, 138)
HSL	hsl(202, 44%, 38%)
HSV	hsv(202, 61%, 54%)
CMYK	cmyk(60.9%, 22.5%, 0%, 45.9%)
CIE-LAB	lab(42.96, -7.83, -22.38)
CIE-LCH	lch(42.96, 23.71, 250.72°)
OKLab	oklab(50.49% -0.0414 -0.0626)
OKLCH	oklch(50.49% 0.075 236.5)
XYZ	xyz(11.3647, 13.1336, 25.9759)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366B8A #8A5536

analogous

#368A7F #366B8A #36418A

triadic

#366B8A #8A366B #6B8A36

tetradic

#366B8A #7F368A #8A5536 #418A36

square

#366B8A #7F368A #8A5536 #418A36

split-complementary

#366B8A #8A3641 #8A7F36

monochromatic

#142732 #25495E #366B8A #478DB6 #72A8C8

Accessibility & contrast

On white

5.79

#366B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#366B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366B8A

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366B8A	#FFFFFF	#000000	##FFFFFF
##366B8A	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6A8B

Deuteranopia (green-blind)

#516289

Tritanopia (blue-blind)

#007375

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #366b8a;
/* rgb */ color: rgb(54, 107, 138);
/* oklch */ color: oklch(50.5% 0.075 236.5);

Tailwind

colors: {
  custom: {
    50: '#7595ac',
    500: '#366b8a',
    950: '#000000',
  },
}

SCSS

$custom: #366b8a;
$custom-light: #7595ac;
$custom-dark: #000000;

JSON

{
  "hex": "#366b8a",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 138
  },
  "hsl": {
    "h": 202.143,
    "s": 43.75,
    "l": 37.647
  },
  "oklch": {
    "l": 0.50487,
    "c": 0.07506,
    "h": 236.5
  },
  "luminance": 0.13135
}

Semantic roles & 50–950 ramp

primary

#366B8A

secondary

#B1856B

accent

#8354D3

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366B8A

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

Preview Lab → · Contrast checker → · Palette generator →