#366583#366583

#366583 is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.7% C 0.071 H 238.5°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#366583
RGB	rgb(54, 101, 131)
HSL	hsl(203, 42%, 36%)
HSV	hsv(203, 59%, 51%)
CMYK	cmyk(58.8%, 22.9%, 0%, 48.6%)
CIE-LAB	lab(40.78, -6.60, -21.54)
CIE-LCH	lch(40.78, 22.53, 252.95°)
OKLab	oklab(48.66% -0.0369 -0.0602)
OKLCH	oklch(48.66% 0.071 238.5)
XYZ	xyz(10.2702, 11.7294, 23.1911)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366583 #835436

analogous

#36837B #366583 #363F83

triadic

#366583 #833665 #658336

tetradic

#366583 #7B3683 #835436 #3F8336

square

#366583 #7B3683 #835436 #3F8336

split-complementary

#366583 #83363F #837B36

monochromatic

#12222C #244458 #366583 #4886AE #70A3C4

Accessibility & contrast

On white

6.28

#366583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#366583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366583

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366583	#FFFFFF	#000000	##FFFFFF
##366583	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576584

Deuteranopia (green-blind)

#4D5D82

Tritanopia (blue-blind)

#006D6F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #366583;
/* rgb */ color: rgb(54, 101, 131);
/* oklch */ color: oklch(48.7% 0.071 238.5);

Tailwind

colors: {
  custom: {
    50: '#7490a7',
    500: '#366583',
    950: '#000000',
  },
}

SCSS

$custom: #366583;
$custom-light: #7490a7;
$custom-dark: #000000;

JSON

{
  "hex": "#366583",
  "rgb": {
    "r": 54,
    "g": 101,
    "b": 131
  },
  "hsl": {
    "h": 203.377,
    "s": 41.622,
    "l": 36.275
  },
  "oklch": {
    "l": 0.48657,
    "c": 0.07061,
    "h": 238.5
  },
  "luminance": 0.1173
}

Semantic roles & 50–950 ramp

primary

#366583

secondary

#AC8368

accent

#8656D1

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C0F

muted

#7B7D7F

Preview Lab

Preview with #366583

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

Preview Lab → · Contrast checker → · Palette generator →