#366E9E#366E9E

#366E9E is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.2% C 0.096 H 246.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#366E9E
RGB	rgb(54, 110, 158)
HSL	hsl(208, 49%, 42%)
HSV	hsv(208, 66%, 62%)
CMYK	cmyk(65.8%, 30.4%, 0%, 38%)
CIE-LAB	lab(44.81, -2.73, -31.41)
CIE-LCH	lch(44.81, 31.53, 265.03°)
OKLab	oklab(52.25% -0.0379 -0.0887)
OKLCH	oklch(52.25% 0.096 246.8)
XYZ	xyz(13.2665, 14.4034, 34.4221)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366E9E #9E6636

analogous

#369E9A #366E9E #363A9E

triadic

#366E9E #9E366E #6E9E36

tetradic

#366E9E #9A369E #9E6636 #3A9E36

square

#366E9E #9A369E #9E6636 #3A9E36

split-complementary

#366E9E #9E363A #9E9A36

monochromatic

#172E43 #264E70 #366E9E #4F8DC3 #7CABD2

Accessibility & contrast

On white

5.41

#366E9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#366E9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366E9E

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366E9E	#FFFFFF	#000000	##FFFFFF
##366E9E	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5970A0

Deuteranopia (green-blind)

#4B659D

Tritanopia (blue-blind)

#00797F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366e9e;
/* rgb */ color: rgb(54, 110, 158);
/* oklch */ color: oklch(52.2% 0.096 246.8);

Tailwind

colors: {
  custom: {
    50: '#7897bb',
    500: '#366e9e',
    950: '#000000',
  },
}

SCSS

$custom: #366e9e;
$custom-light: #7897bb;
$custom-dark: #000000;

JSON

{
  "hex": "#366e9e",
  "rgb": {
    "r": 54,
    "g": 110,
    "b": 158
  },
  "hsl": {
    "h": 207.692,
    "s": 49.057,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52246,
    "c": 0.09643,
    "h": 246.8
  },
  "luminance": 0.14405
}

Semantic roles & 50–950 ramp

primary

#366E9E

secondary

#BB9574

accent

#8F4FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #366E9E

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

Preview Lab → · Contrast checker → · Palette generator →