#37759E#37759E

#37759E is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.0% C 0.091 H 240.3°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#37759E
RGB	rgb(55, 117, 158)
HSL	hsl(204, 48%, 42%)
HSV	hsv(204, 65%, 62%)
CMYK	cmyk(65.2%, 25.9%, 0%, 38%)
CIE-LAB	lab(46.98, -6.73, -28.01)
CIE-LCH	lch(46.98, 28.81, 256.49°)
OKLab	oklab(53.97% -0.0448 -0.0787)
OKLCH	oklch(53.97% 0.091 240.3)
XYZ	xyz(14.1060, 16.0020, 34.6864)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37759E #9E6037

analogous

#379E94 #37759E #37429E

triadic

#37759E #9E3775 #759E37

tetradic

#37759E #94379E #9E6037 #429E37

square

#37759E #94379E #9E6037 #429E37

split-complementary

#37759E #9E3742 #9E9437

monochromatic

#173243 #275371 #37759E #5095C2 #7DB0D2

Accessibility & contrast

On white

5.00

#37759E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#37759E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37759E

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37759E	#FFFFFF	#000000	##FFFFFF
##37759E	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)

#6275A0

Deuteranopia (green-blind)

#546B9D

Tritanopia (blue-blind)

#007F83

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #37759e;
/* rgb */ color: rgb(55, 117, 158);
/* oklch */ color: oklch(54.0% 0.091 240.3);

Tailwind

colors: {
  custom: {
    50: '#799cbb',
    500: '#37759e',
    950: '#000000',
  },
}

SCSS

$custom: #37759e;
$custom-light: #799cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#37759e",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 158
  },
  "hsl": {
    "h": 203.883,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.53972,
    "c": 0.09063,
    "h": 240.3
  },
  "luminance": 0.16003
}

Semantic roles & 50–950 ramp

primary

#37759E

secondary

#BB9176

accent

#8650D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37759E

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

Preview Lab → · Contrast checker → · Palette generator →