#366D99#366D99

#366D99 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.7% C 0.091 H 245.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#366D99
RGB	rgb(54, 109, 153)
HSL	hsl(207, 48%, 41%)
HSV	hsv(207, 65%, 60%)
CMYK	cmyk(64.7%, 28.8%, 0%, 40%)
CIE-LAB	lab(44.26, -3.88, -29.30)
CIE-LCH	lch(44.26, 29.56, 262.46°)
OKLab	oklab(51.74% -0.0384 -0.0826)
OKLCH	oklch(51.74% 0.091 245)
XYZ	xyz(12.7376, 14.0202, 32.1657)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366D99 #996236

analogous

#369993 #366D99 #363B99

triadic

#366D99 #99366D #6D9936

tetradic

#366D99 #933699 #996236 #3B9936

square

#366D99 #933699 #996236 #3B9936

split-complementary

#366D99 #99363B #999336

monochromatic

#162D3F #264D6C #366D99 #4C8DC0 #7AA9D0

Accessibility & contrast

On white

5.52

#366D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#366D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366D99

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366D99	#FFFFFF	#000000	##FFFFFF
##366D99	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6E9B

Deuteranopia (green-blind)

#4C6498

Tritanopia (blue-blind)

#00787C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366d99;
/* rgb */ color: rgb(54, 109, 153);
/* oklch */ color: oklch(51.7% 0.091 245.0);

Tailwind

colors: {
  custom: {
    50: '#7796b7',
    500: '#366d99',
    950: '#000000',
  },
}

SCSS

$custom: #366d99;
$custom-light: #7796b7;
$custom-dark: #000000;

JSON

{
  "hex": "#366d99",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 153
  },
  "hsl": {
    "h": 206.667,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51738,
    "c": 0.09107,
    "h": 245
  },
  "luminance": 0.14021
}

Semantic roles & 50–950 ramp

primary

#366D99

secondary

#B99172

accent

#8C50D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #366D99

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

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