#366CA7#366CA7

#366CA7 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.3% C 0.110 H 252.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#366CA7
RGB	rgb(54, 108, 167)
HSL	hsl(211, 51%, 43%)
HSV	hsv(211, 68%, 65%)
CMYK	cmyk(67.7%, 35.3%, 0%, 34.5%)
CIE-LAB	lab(44.66, 1.70, -36.94)
CIE-LCH	lch(44.66, 36.98, 272.63°)
OKLab	oklab(52.28% -0.0332 -0.1048)
OKLCH	oklch(52.28% 0.11 252.4)
XYZ	xyz(13.8564, 14.2980, 38.5813)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA7 #A77136

analogous

#36A4A7 #366CA7 #3836A7

triadic

#366CA7 #A7366C #6CA736

tetradic

#366CA7 #A736A4 #A77136 #36A738

square

#366CA7 #A736A4 #A77136 #36A738

split-complementary

#366CA7 #A73836 #A4A736

monochromatic

#18304B #274E79 #366CA7 #538BC7 #81AAD6

Accessibility & contrast

On white

5.44

#366CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#366CA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA7

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA7	#FFFFFF	#000000	##FFFFFF
##366CA7	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526FA9

Deuteranopia (green-blind)

#4265A6

Tritanopia (blue-blind)

#007A81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366ca7;
/* rgb */ color: rgb(54, 108, 167);
/* oklch */ color: oklch(52.3% 0.110 252.4);

Tailwind

colors: {
  custom: {
    50: '#7995c1',
    500: '#366ca7',
    950: '#000000',
  },
}

SCSS

$custom: #366ca7;
$custom-light: #7995c1;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca7",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 167
  },
  "hsl": {
    "h": 211.327,
    "s": 51.131,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52278,
    "c": 0.10993,
    "h": 252.4
  },
  "luminance": 0.14299
}

Semantic roles & 50–950 ramp

primary

#366CA7

secondary

#C09E79

accent

#974DDB

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA7

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

Preview Lab → · Contrast checker → · Palette generator →