#366CA6#366CA6

#366CA6 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.2% C 0.109 H 252.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#366CA6
RGB	rgb(54, 108, 166)
HSL	hsl(211, 51%, 43%)
HSV	hsv(211, 67%, 65%)
CMYK	cmyk(67.5%, 34.9%, 0%, 34.9%)
CIE-LAB	lab(44.61, 1.34, -36.44)
CIE-LCH	lch(44.61, 36.46, 272.10°)
OKLab	oklab(52.22% -0.0334 -0.1033)
OKLCH	oklch(52.22% 0.109 252.1)
XYZ	xyz(13.7643, 14.2612, 38.0963)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA6 #A67036

analogous

#36A4A6 #366CA6 #3836A6

triadic

#366CA6 #A6366C #6CA636

tetradic

#366CA6 #A636A4 #A67036 #36A638

square

#366CA6 #A636A4 #A67036 #36A638

split-complementary

#366CA6 #A63836 #A4A636

monochromatic

#18304A #274E78 #366CA6 #528BC7 #81AAD6

Accessibility & contrast

On white

5.45

#366CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#366CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA6

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA6	#FFFFFF	#000000	##FFFFFF
##366CA6	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526FA8

Deuteranopia (green-blind)

#4365A5

Tritanopia (blue-blind)

#007A81

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366ca6;
/* rgb */ color: rgb(54, 108, 166);
/* oklch */ color: oklch(52.2% 0.109 252.1);

Tailwind

colors: {
  custom: {
    50: '#7995c0',
    500: '#366ca6',
    950: '#000000',
  },
}

SCSS

$custom: #366ca6;
$custom-light: #7995c0;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca6",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 166
  },
  "hsl": {
    "h": 211.071,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5222,
    "c": 0.1086,
    "h": 252.1
  },
  "luminance": 0.14263
}

Semantic roles & 50–950 ramp

primary

#366CA6

secondary

#BF9D79

accent

#964DDA

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA6

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

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