#366F87#366F87

#366F87 is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.3% C 0.071 H 228.0°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#366F87
RGB	rgb(54, 111, 135)
HSL	hsl(198, 43%, 37%)
HSV	hsv(198, 60%, 53%)
CMYK	cmyk(60%, 17.8%, 0%, 47.1%)
CIE-LAB	lab(44.09, -11.16, -18.85)
CIE-LCH	lch(44.09, 21.90, 239.36°)
OKLab	oklab(51.34% -0.0473 -0.0525)
OKLCH	oklch(51.34% 0.071 228)
XYZ	xyz(11.5772, 13.9013, 24.9901)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366F87 #874E36

analogous

#368777 #366F87 #364787

triadic

#366F87 #87366F #6F8736

tetradic

#366F87 #773687 #874E36 #478736

square

#366F87 #773687 #874E36 #478736

split-complementary

#366F87 #873647 #877736

monochromatic

#132730 #254B5B #366F87 #4793B3 #71ADC6

Accessibility & contrast

On white

5.55

#366F87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#366F87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366F87

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366F87	#FFFFFF	#000000	##FFFFFF
##366F87	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626D88

Deuteranopia (green-blind)

#576487

Tritanopia (blue-blind)

#007677

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #366f87;
/* rgb */ color: rgb(54, 111, 135);
/* oklch */ color: oklch(51.3% 0.071 228.0);

Tailwind

colors: {
  custom: {
    50: '#7598aa',
    500: '#366f87',
    950: '#000000',
  },
}

SCSS

$custom: #366f87;
$custom-light: #7598aa;
$custom-dark: #000000;

JSON

{
  "hex": "#366f87",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 135
  },
  "hsl": {
    "h": 197.778,
    "s": 42.857,
    "l": 37.059
  },
  "oklch": {
    "l": 0.51342,
    "c": 0.07064,
    "h": 228
  },
  "luminance": 0.13902
}

Semantic roles & 50–950 ramp

primary

#366F87

secondary

#AF7E6A

accent

#7A55D3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #366F87

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

Preview Lab → · Contrast checker → · Palette generator →