#366B99#366B99

#366B99 is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.3% C 0.093 H 247.0°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#366B99
RGB	rgb(54, 107, 153)
HSL	hsl(208, 48%, 41%)
HSV	hsv(208, 65%, 60%)
CMYK	cmyk(64.7%, 30.1%, 0%, 40%)
CIE-LAB	lab(43.65, -2.67, -30.26)
CIE-LCH	lch(43.65, 30.37, 264.96°)
OKLab	oklab(51.26% -0.0362 -0.0853)
OKLCH	oklch(51.26% 0.093 247)
XYZ	xyz(12.5267, 13.5983, 32.0954)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366B99 #996436

analogous

#369995 #366B99 #363999

triadic

#366B99 #99366B #6B9936

tetradic

#366B99 #953699 #996436 #399936

square

#366B99 #953699 #996436 #399936

split-complementary

#366B99 #993639 #999536

monochromatic

#162C3F #264B6C #366B99 #4C8AC0 #7AA8D0

Accessibility & contrast

On white

5.65

#366B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#366B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366B99

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366B99	#FFFFFF	#000000	##FFFFFF
##366B99	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576C9B

Deuteranopia (green-blind)

#496398

Tritanopia (blue-blind)

#00767B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #366b99;
/* rgb */ color: rgb(54, 107, 153);
/* oklch */ color: oklch(51.3% 0.093 247.0);

Tailwind

colors: {
  custom: {
    50: '#7795b7',
    500: '#366b99',
    950: '#000000',
  },
}

SCSS

$custom: #366b99;
$custom-light: #7795b7;
$custom-dark: #000000;

JSON

{
  "hex": "#366b99",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 153
  },
  "hsl": {
    "h": 207.879,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.09272,
    "h": 247
  },
  "luminance": 0.136
}

Semantic roles & 50–950 ramp

primary

#366B99

secondary

#B99372

accent

#8F50D7

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #366B99

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

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