#37778F#37778F

#37778F is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 53.7% C 0.075 H 225.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#37778F
RGB	rgb(55, 119, 143)
HSL	hsl(196, 44%, 39%)
HSV	hsv(196, 62%, 56%)
CMYK	cmyk(61.5%, 16.8%, 0%, 43.9%)
CIE-LAB	lab(46.96, -12.91, -19.20)
CIE-LCH	lch(46.96, 23.14, 236.08°)
OKLab	oklab(53.75% -0.0527 -0.0535)
OKLCH	oklch(53.75% 0.075 225.4)
XYZ	xyz(13.1284, 15.9878, 28.3754)
Luminance	0.1599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37778F #8F4F37

analogous

#378F7B #37778F #374B8F

triadic

#37778F #8F3777 #778F37

tetradic

#37778F #7B378F #8F4F37 #4B8F37

square

#37778F #7B378F #8F4F37 #4B8F37

split-complementary

#37778F #8F374B #8F7B37

monochromatic

#152D37 #265263 #37778F #4A9BB9 #76B3CA

Accessibility & contrast

On white

5.00

#37778F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#37778F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37778F

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37778F	#FFFFFF	#000000	##FFFFFF
##37778F	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7590

Deuteranopia (green-blind)

#5D6B8F

Tritanopia (blue-blind)

#007E7F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #37778f;
/* rgb */ color: rgb(55, 119, 143);
/* oklch */ color: oklch(53.7% 0.075 225.4);

Tailwind

colors: {
  custom: {
    50: '#779eaf',
    500: '#37778f',
    950: '#000000',
  },
}

SCSS

$custom: #37778f;
$custom-light: #779eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#37778f",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 143
  },
  "hsl": {
    "h": 196.364,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.53747,
    "c": 0.07508,
    "h": 225.4
  },
  "luminance": 0.15989
}

Semantic roles & 50–950 ramp

primary

#37778F

secondary

#B3816F

accent

#7754D4

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37778F

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

Preview Lab → · Contrast checker → · Palette generator →