#366CA8#366CA8

#366CA8 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.3% C 0.111 H 252.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#366CA8
RGB	rgb(54, 108, 168)
HSL	hsl(212, 51%, 44%)
HSV	hsv(212, 68%, 66%)
CMYK	cmyk(67.9%, 35.7%, 0%, 34.1%)
CIE-LAB	lab(44.71, 2.06, -37.45)
CIE-LCH	lch(44.71, 37.51, 273.15°)
OKLab	oklab(52.34% -0.0329 -0.1063)
OKLCH	oklch(52.34% 0.111 252.8)
XYZ	xyz(13.9492, 14.3351, 39.0700)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA8 #A87236

analogous

#36A5A8 #366CA8 #3936A8

triadic

#366CA8 #A8366C #6CA836

tetradic

#366CA8 #A836A5 #A87236 #36A839

square

#366CA8 #A836A5 #A87236 #36A839

split-complementary

#366CA8 #A83936 #A5A836

monochromatic

#18304B #274E7A #366CA8 #538BC8 #82AAD7

Accessibility & contrast

On white

5.43

#366CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#366CA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA8

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA8	#FFFFFF	#000000	##FFFFFF
##366CA8	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5170AA

Deuteranopia (green-blind)

#4165A7

Tritanopia (blue-blind)

#007A82

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366ca8;
/* rgb */ color: rgb(54, 108, 168);
/* oklch */ color: oklch(52.3% 0.111 252.8);

Tailwind

colors: {
  custom: {
    50: '#7a95c2',
    500: '#366ca8',
    950: '#000000',
  },
}

SCSS

$custom: #366ca8;
$custom-light: #7a95c2;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca8",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 168
  },
  "hsl": {
    "h": 211.579,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52336,
    "c": 0.11125,
    "h": 252.8
  },
  "luminance": 0.14337
}

Semantic roles & 50–950 ramp

primary

#366CA8

secondary

#C09F7A

accent

#984DDB

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA8

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

Preview Lab → · Contrast checker → · Palette generator →