#366DB6#366DB6

#366DB6 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.4% C 0.129 H 256.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#366DB6
RGB	rgb(54, 109, 182)
HSL	hsl(214, 54%, 46%)
HSV	hsv(214, 70%, 71%)
CMYK	cmyk(70.3%, 40.1%, 0%, 28.6%)
CIE-LAB	lab(45.77, 6.52, -43.95)
CIE-LCH	lch(45.77, 44.43, 278.44°)
OKLab	oklab(53.41% -0.0304 -0.1253)
OKLCH	oklch(53.41% 0.129 256.4)
XYZ	xyz(15.4304, 15.0973, 46.3478)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DB6 #B67F36

analogous

#36ADB6 #366DB6 #3F36B6

triadic

#366DB6 #B6366D #6DB636

tetradic

#366DB6 #B636AD #B67F36 #36B63F

square

#366DB6 #B636AD #B67F36 #36B63F

split-complementary

#366DB6 #B63F36 #ADB636

monochromatic

#1A3458 #285187 #366DB6 #5B8CCE #8AADDC

Accessibility & contrast

On white

5.22

#366DB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#366DB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DB6

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DB6	#FFFFFF	#000000	##FFFFFF
##366DB6	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B73B9

Deuteranopia (green-blind)

#3767B5

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #366db6;
/* rgb */ color: rgb(54, 109, 182);
/* oklch */ color: oklch(53.4% 0.129 256.4);

Tailwind

colors: {
  custom: {
    50: '#7c96cc',
    500: '#366db6',
    950: '#000000',
  },
}

SCSS

$custom: #366db6;
$custom-light: #7c96cc;
$custom-dark: #000000;

JSON

{
  "hex": "#366db6",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 182
  },
  "hsl": {
    "h": 214.219,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5341,
    "c": 0.12895,
    "h": 256.4
  },
  "luminance": 0.15099
}

Semantic roles & 50–950 ramp

primary

#366DB6

secondary

#C6A981

accent

#9E4ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #366DB6

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

Preview Lab → · Contrast checker → · Palette generator →