#366A99#366A99

#366A99 is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 51.0% C 0.094 H 248.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#366A99
RGB	rgb(54, 106, 153)
HSL	hsl(208, 48%, 41%)
HSV	hsv(208, 65%, 60%)
CMYK	cmyk(64.7%, 30.7%, 0%, 40%)
CIE-LAB	lab(43.35, -2.06, -30.73)
CIE-LCH	lch(43.35, 30.80, 266.17°)
OKLab	oklab(51.02% -0.0351 -0.0867)
OKLCH	oklch(51.02% 0.094 248)
XYZ	xyz(12.4230, 13.3910, 32.0608)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366A99 #996536

analogous

#369996 #366A99 #363899

triadic

#366A99 #99366A #6A9936

tetradic

#366A99 #963699 #996536 #389936

square

#366A99 #963699 #996536 #389936

split-complementary

#366A99 #993638 #999636

monochromatic

#162B3F #264B6C #366A99 #4C89C0 #7AA7D0

Accessibility & contrast

On white

5.71

#366A99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#366A99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366A99

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366A99	#FFFFFF	#000000	##FFFFFF
##366A99	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566C9B

Deuteranopia (green-blind)

#486298

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #366a99;
/* rgb */ color: rgb(54, 106, 153);
/* oklch */ color: oklch(51.0% 0.094 248.0);

Tailwind

colors: {
  custom: {
    50: '#7794b7',
    500: '#366a99',
    950: '#000000',
  },
}

SCSS

$custom: #366a99;
$custom-light: #7794b7;
$custom-dark: #000000;

JSON

{
  "hex": "#366a99",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 153
  },
  "hsl": {
    "h": 208.485,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51017,
    "c": 0.09358,
    "h": 248
  },
  "luminance": 0.13392
}

Semantic roles & 50–950 ramp

primary

#366A99

secondary

#B99472

accent

#9050D7

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #366A99

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

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