#366599#366599

#366599 is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.8% C 0.098 H 252.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#366599
RGB	rgb(54, 101, 153)
HSL	hsl(212, 48%, 41%)
HSV	hsv(212, 65%, 60%)
CMYK	cmyk(64.7%, 34%, 0%, 40%)
CIE-LAB	lab(41.83, 1.03, -33.12)
CIE-LCH	lch(41.83, 33.13, 271.77°)
OKLab	oklab(49.83% -0.0296 -0.0937)
OKLCH	oklch(49.83% 0.098 252.5)
XYZ	xyz(11.9227, 12.3904, 31.8941)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366599 #996A36

analogous

#369699 #366599 #383699

triadic

#366599 #993665 #659936

tetradic

#366599 #993696 #996A36 #369938

square

#366599 #993696 #996A36 #369938

split-complementary

#366599 #993836 #969936

monochromatic

#16293F #26476C #366599 #4C83C0 #7AA3D0

Accessibility & contrast

On white

6.04

#366599 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#366599 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366599

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366599	#FFFFFF	#000000	##FFFFFF
##366599	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F689B

Deuteranopia (green-blind)

#415E98

Tritanopia (blue-blind)

#007178

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #366599;
/* rgb */ color: rgb(54, 101, 153);
/* oklch */ color: oklch(49.8% 0.098 252.5);

Tailwind

colors: {
  custom: {
    50: '#7790b7',
    500: '#366599',
    950: '#000000',
  },
}

SCSS

$custom: #366599;
$custom-light: #7790b7;
$custom-dark: #000000;

JSON

{
  "hex": "#366599",
  "rgb": {
    "r": 54,
    "g": 101,
    "b": 153
  },
  "hsl": {
    "h": 211.515,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49826,
    "c": 0.0983,
    "h": 252.5
  },
  "luminance": 0.12392
}

Semantic roles & 50–950 ramp

primary

#366599

secondary

#B99772

accent

#9750D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #366599

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

Preview Lab → · Contrast checker → · Palette generator →