#366F8A#366F8A

#366F8A is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.5% C 0.073 H 231.1°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#366F8A
RGB	rgb(54, 111, 138)
HSL	hsl(199, 44%, 38%)
HSV	hsv(199, 61%, 54%)
CMYK	cmyk(60.9%, 19.6%, 0%, 45.9%)
CIE-LAB	lab(44.21, -10.17, -20.45)
CIE-LCH	lch(44.21, 22.84, 243.55°)
OKLab	oklab(51.48% -0.0461 -0.0571)
OKLCH	oklch(51.48% 0.073 231.1)
XYZ	xyz(11.7914, 13.9870, 26.1182)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366F8A #8A5136

analogous

#368A7B #366F8A #36458A

triadic

#366F8A #8A366F #6F8A36

tetradic

#366F8A #7B368A #8A5136 #458A36

square

#366F8A #7B368A #8A5136 #458A36

split-complementary

#366F8A #8A3645 #8A7B36

monochromatic

#142832 #254C5E #366F8A #4792B6 #72ACC8

Accessibility & contrast

On white

5.53

#366F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#366F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366F8A

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366F8A	#FFFFFF	#000000	##FFFFFF
##366F8A	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626E8B

Deuteranopia (green-blind)

#56658A

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366f8a;
/* rgb */ color: rgb(54, 111, 138);
/* oklch */ color: oklch(51.5% 0.073 231.1);

Tailwind

colors: {
  custom: {
    50: '#7598ac',
    500: '#366f8a',
    950: '#000000',
  },
}

SCSS

$custom: #366f8a;
$custom-light: #7598ac;
$custom-dark: #000000;

JSON

{
  "hex": "#366f8a",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 138
  },
  "hsl": {
    "h": 199.286,
    "s": 43.75,
    "l": 37.647
  },
  "oklch": {
    "l": 0.51481,
    "c": 0.07336,
    "h": 231.1
  },
  "luminance": 0.13988
}

Semantic roles & 50–950 ramp

primary

#366F8A

secondary

#B1826B

accent

#7D54D3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366F8A

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

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