#366FBE#366FBE

#366FBE is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.4% C 0.137 H 257.2°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#366FBE
RGB	rgb(54, 111, 190)
HSL	hsl(215, 56%, 48%)
HSV	hsv(215, 72%, 75%)
CMYK	cmyk(71.6%, 41.6%, 0%, 25.5%)
CIE-LAB	lab(46.80, 8.20, -46.94)
CIE-LCH	lch(46.80, 47.65, 279.92°)
OKLab	oklab(54.36% -0.0305 -0.134)
OKLCH	oklch(54.36% 0.137 257.2)
XYZ	xyz(16.4966, 15.8691, 50.8988)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366FBE #BE8536

analogous

#36B3BE #366FBE #4136BE

triadic

#366FBE #BE366F #6FBE36

tetradic

#366FBE #BE36B3 #BE8536 #36BE41

square

#366FBE #BE36B3 #BE8536 #36BE41

split-complementary

#366FBE #BE4136 #B3BE36

monochromatic

#1B375F #28538E #366FBE #608FD2 #8FB1DF

Accessibility & contrast

On white

5.03

#366FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#366FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366FBE

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366FBE	#FFFFFF	#000000	##FFFFFF
##366FBE	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4976C1

Deuteranopia (green-blind)

#3369BC

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #366fbe;
/* rgb */ color: rgb(54, 111, 190);
/* oklch */ color: oklch(54.4% 0.137 257.2);

Tailwind

colors: {
  custom: {
    50: '#7e97d2',
    500: '#366fbe',
    950: '#000000',
  },
}

SCSS

$custom: #366fbe;
$custom-light: #7e97d2;
$custom-dark: #000000;

JSON

{
  "hex": "#366fbe",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 190
  },
  "hsl": {
    "h": 214.853,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54362,
    "c": 0.13748,
    "h": 257.2
  },
  "luminance": 0.15871
}

Semantic roles & 50–950 ramp

primary

#366FBE

secondary

#CAAD86

accent

#A049DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #366FBE

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

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