#366C8D#366C8D

#366C8D is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.9% C 0.078 H 237.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#366C8D
RGB	rgb(54, 108, 141)
HSL	hsl(203, 45%, 38%)
HSV	hsv(203, 62%, 55%)
CMYK	cmyk(61.7%, 23.4%, 0%, 44.7%)
CIE-LAB	lab(43.41, -7.41, -23.49)
CIE-LCH	lch(43.41, 24.63, 252.50°)
OKLab	oklab(50.88% -0.0415 -0.0658)
OKLCH	oklch(50.88% 0.078 237.8)
XYZ	xyz(11.6898, 13.4314, 27.1706)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366C8D #8D5736

analogous

#368D82 #366C8D #36408D

triadic

#366C8D #8D366C #6C8D36

tetradic

#366C8D #82368D #8D5736 #408D36

square

#366C8D #82368D #8D5736 #408D36

split-complementary

#366C8D #8D3640 #8D8236

monochromatic

#142834 #254A61 #366C8D #478EB9 #74A9CA

Accessibility & contrast

On white

5.70

#366C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#366C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366C8D

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366C8D	#FFFFFF	#000000	##FFFFFF
##366C8D	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6C8F

Deuteranopia (green-blind)

#51638C

Tritanopia (blue-blind)

#007477

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #366c8d;
/* rgb */ color: rgb(54, 108, 141);
/* oklch */ color: oklch(50.9% 0.078 237.8);

Tailwind

colors: {
  custom: {
    50: '#7596ae',
    500: '#366c8d',
    950: '#000000',
  },
}

SCSS

$custom: #366c8d;
$custom-light: #7596ae;
$custom-dark: #000000;

JSON

{
  "hex": "#366c8d",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 141
  },
  "hsl": {
    "h": 202.759,
    "s": 44.615,
    "l": 38.235
  },
  "oklch": {
    "l": 0.50881,
    "c": 0.07776,
    "h": 237.8
  },
  "luminance": 0.13432
}

Semantic roles & 50–950 ramp

primary

#366C8D

secondary

#B2876D

accent

#8453D4

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366C8D

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

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