#366DA0#366DA0

#366DA0 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.1% C 0.100 H 248.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#366DA0
RGB	rgb(54, 109, 160)
HSL	hsl(209, 50%, 42%)
HSV	hsv(209, 66%, 63%)
CMYK	cmyk(66.3%, 31.9%, 0%, 37.3%)
CIE-LAB	lab(44.60, -1.42, -32.91)
CIE-LCH	lch(44.60, 32.94, 267.54°)
OKLab	oklab(52.12% -0.0362 -0.093)
OKLCH	oklch(52.12% 0.1 248.7)
XYZ	xyz(13.3328, 14.2583, 35.3004)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DA0 #A06936

analogous

#36A09E #366DA0 #3638A0

triadic

#366DA0 #A0366D #6DA036

tetradic

#366DA0 #9E36A0 #A06936 #38A036

square

#366DA0 #9E36A0 #A06936 #38A036

split-complementary

#366DA0 #A03638 #A09E36

monochromatic

#172F44 #274E72 #366DA0 #4F8CC4 #7DAAD3

Accessibility & contrast

On white

5.45

#366DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#366DA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DA0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DA0	#FFFFFF	#000000	##FFFFFF
##366DA0	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)

#576FA2

Deuteranopia (green-blind)

#48659F

Tritanopia (blue-blind)

#00797F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366da0;
/* rgb */ color: rgb(54, 109, 160);
/* oklch */ color: oklch(52.1% 0.100 248.7);

Tailwind

colors: {
  custom: {
    50: '#7896bc',
    500: '#366da0',
    950: '#000000',
  },
}

SCSS

$custom: #366da0;
$custom-light: #7896bc;
$custom-dark: #000000;

JSON

{
  "hex": "#366da0",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 160
  },
  "hsl": {
    "h": 208.868,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.52117,
    "c": 0.09985,
    "h": 248.7
  },
  "luminance": 0.1426
}

Semantic roles & 50–950 ramp

primary

#366DA0

secondary

#BC9875

accent

#914FD9

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366DA0

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

Preview Lab → · Contrast checker → · Palette generator →