#366C8E#366C8E

#366C8E is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.9% C 0.079 H 238.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#366C8E
RGB	rgb(54, 108, 142)
HSL	hsl(203, 45%, 38%)
HSV	hsv(203, 62%, 56%)
CMYK	cmyk(62%, 23.9%, 0%, 44.3%)
CIE-LAB	lab(43.45, -7.07, -24.02)
CIE-LCH	lch(43.45, 25.04, 253.60°)
OKLab	oklab(50.93% -0.0411 -0.0673)
OKLCH	oklch(50.93% 0.079 238.6)
XYZ	xyz(11.7645, 13.4613, 27.5642)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366C8E #8E5836

analogous

#368E84 #366C8E #36408E

triadic

#366C8E #8E366C #6C8E36

tetradic

#366C8E #84368E #8E5836 #408E36

square

#366C8E #84368E #8E5836 #408E36

split-complementary

#366C8E #8E3640 #8E8436

monochromatic

#142935 #254A62 #366C8E #488DB9 #74A9CA

Accessibility & contrast

On white

5.69

#366C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#366C8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366C8E

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366C8E	#FFFFFF	#000000	##FFFFFF
##366C8E	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6C90

Deuteranopia (green-blind)

#50638D

Tritanopia (blue-blind)

#007577

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #366c8e;
/* rgb */ color: rgb(54, 108, 142);
/* oklch */ color: oklch(50.9% 0.079 238.6);

Tailwind

colors: {
  custom: {
    50: '#7596af',
    500: '#366c8e',
    950: '#000000',
  },
}

SCSS

$custom: #366c8e;
$custom-light: #7596af;
$custom-dark: #000000;

JSON

{
  "hex": "#366c8e",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 142
  },
  "hsl": {
    "h": 203.182,
    "s": 44.898,
    "l": 38.431
  },
  "oklch": {
    "l": 0.50931,
    "c": 0.07887,
    "h": 238.6
  },
  "luminance": 0.13462
}

Semantic roles & 50–950 ramp

primary

#366C8E

secondary

#B3886D

accent

#8553D5

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366C8E

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

Preview Lab → · Contrast checker → · Palette generator →