#366BAE#366BAE

#366BAE is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.120 H 255.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#366BAE
RGB	rgb(54, 107, 174)
HSL	hsl(214, 53%, 45%)
HSV	hsv(214, 69%, 68%)
CMYK	cmyk(69%, 38.5%, 0%, 31.8%)
CIE-LAB	lab(44.74, 4.85, -40.92)
CIE-LCH	lch(44.74, 41.21, 276.76°)
OKLab	oklab(52.46% -0.0303 -0.1165)
OKLCH	oklch(52.46% 0.12 255.4)
XYZ	xyz(14.4162, 14.3542, 42.0471)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366BAE #AE7936

analogous

#36A7AE #366BAE #3D36AE

triadic

#366BAE #AE366B #6BAE36

tetradic

#366BAE #AE36A7 #AE7936 #36AE3D

square

#366BAE #AE36A7 #AE7936 #36AE3D

split-complementary

#366BAE #AE3D36 #A7AE36

monochromatic

#193251 #284E7F #366BAE #568ACB #85AAD9

Accessibility & contrast

On white

5.42

#366BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#366BAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366BAE

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366BAE	#FFFFFF	#000000	##FFFFFF
##366BAE	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D70B1

Deuteranopia (green-blind)

#3B65AD

Tritanopia (blue-blind)

#007B84

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366bae;
/* rgb */ color: rgb(54, 107, 174);
/* oklch */ color: oklch(52.5% 0.120 255.4);

Tailwind

colors: {
  custom: {
    50: '#7b94c6',
    500: '#366bae',
    950: '#000000',
  },
}

SCSS

$custom: #366bae;
$custom-light: #7b94c6;
$custom-dark: #000000;

JSON

{
  "hex": "#366bae",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 174
  },
  "hsl": {
    "h": 213.5,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52462,
    "c": 0.12035,
    "h": 255.4
  },
  "luminance": 0.14356
}

Semantic roles & 50–950 ramp

primary

#366BAE

secondary

#C3A47D

accent

#9C4CDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #366BAE

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

Preview Lab → · Contrast checker → · Palette generator →