#366A8A#366A8A

#366A8A is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.2% C 0.076 H 237.8°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#366A8A
RGB	rgb(54, 106, 138)
HSL	hsl(203, 44%, 38%)
HSV	hsv(203, 61%, 54%)
CMYK	cmyk(60.9%, 23.2%, 0%, 45.9%)
CIE-LAB	lab(42.65, -7.24, -22.86)
CIE-LCH	lch(42.65, 23.98, 252.44°)
OKLab	oklab(50.24% -0.0402 -0.064)
OKLCH	oklch(50.24% 0.076 237.8)
XYZ	xyz(11.2611, 12.9263, 25.9414)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366A8A #8A5636

analogous

#368A80 #366A8A #36408A

triadic

#366A8A #8A366A #6A8A36

tetradic

#366A8A #80368A #8A5636 #408A36

square

#366A8A #80368A #8A5636 #408A36

split-complementary

#366A8A #8A3640 #8A8036

monochromatic

#142632 #25485E #366A8A #478CB6 #72A7C8

Accessibility & contrast

On white

5.86

#366A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#366A8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366A8A

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366A8A	#FFFFFF	#000000	##FFFFFF
##366A8A	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6A8C

Deuteranopia (green-blind)

#506189

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #366a8a;
/* rgb */ color: rgb(54, 106, 138);
/* oklch */ color: oklch(50.2% 0.076 237.8);

Tailwind

colors: {
  custom: {
    50: '#7594ac',
    500: '#366a8a',
    950: '#000000',
  },
}

SCSS

$custom: #366a8a;
$custom-light: #7594ac;
$custom-dark: #000000;

JSON

{
  "hex": "#366a8a",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 138
  },
  "hsl": {
    "h": 202.857,
    "s": 43.75,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5024,
    "c": 0.07559,
    "h": 237.8
  },
  "luminance": 0.12927
}

Semantic roles & 50–950 ramp

primary

#366A8A

secondary

#B1866B

accent

#8554D3

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366A8A

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

Preview Lab → · Contrast checker → · Palette generator →