#366A8D#366A8D

#366A8D is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.4% C 0.079 H 240.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#366A8D
RGB	rgb(54, 106, 141)
HSL	hsl(204, 45%, 38%)
HSV	hsv(204, 62%, 55%)
CMYK	cmyk(61.7%, 24.8%, 0%, 44.7%)
CIE-LAB	lab(42.78, -6.22, -24.45)
CIE-LCH	lch(42.78, 25.23, 255.74°)
OKLab	oklab(50.39% -0.0391 -0.0686)
OKLCH	oklch(50.39% 0.079 240.3)
XYZ	xyz(11.4813, 13.0143, 27.1011)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366A8D #8D5936

analogous

#368D84 #366A8D #363E8D

triadic

#366A8D #8D366A #6A8D36

tetradic

#366A8D #84368D #8D5936 #3E8D36

square

#366A8D #84368D #8D5936 #3E8D36

split-complementary

#366A8D #8D363E #8D8436

monochromatic

#142734 #254961 #366A8D #478BB9 #74A7CA

Accessibility & contrast

On white

5.83

#366A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#366A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366A8D

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366A8D	#FFFFFF	#000000	##FFFFFF
##366A8D	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6A8F

Deuteranopia (green-blind)

#4E618C

Tritanopia (blue-blind)

#007376

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #366a8d;
/* rgb */ color: rgb(54, 106, 141);
/* oklch */ color: oklch(50.4% 0.079 240.3);

Tailwind

colors: {
  custom: {
    50: '#7594ae',
    500: '#366a8d',
    950: '#000000',
  },
}

SCSS

$custom: #366a8d;
$custom-light: #7594ae;
$custom-dark: #000000;

JSON

{
  "hex": "#366a8d",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 141
  },
  "hsl": {
    "h": 204.138,
    "s": 44.615,
    "l": 38.235
  },
  "oklch": {
    "l": 0.50389,
    "c": 0.07896,
    "h": 240.3
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary

#366A8D

secondary

#B2896D

accent

#8753D4

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366A8D

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

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