#37728E#37728E

#37728E is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.5% C 0.075 H 231.2°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#37728E
RGB	rgb(55, 114, 142)
HSL	hsl(199, 44%, 39%)
HSV	hsv(199, 61%, 56%)
CMYK	cmyk(61.3%, 19.7%, 0%, 44.3%)
CIE-LAB	lab(45.36, -10.38, -21.07)
CIE-LCH	lch(45.36, 23.49, 243.77°)
OKLab	oklab(52.46% -0.0473 -0.0588)
OKLCH	oklch(52.46% 0.075 231.2)
XYZ	xyz(12.4735, 14.7986, 27.7850)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37728E #8E5337

analogous

#378E7E #37728E #37468E

triadic

#37728E #8E3772 #728E37

tetradic

#37728E #7E378E #8E5337 #468E37

square

#37728E #7E378E #8E5337 #468E37

split-complementary

#37728E #8E3746 #8E7E37

monochromatic

#152B36 #264F62 #37728E #4995B9 #76AFCA

Accessibility & contrast

On white

5.30

#37728E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#37728E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37728E

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37728E	#FFFFFF	#000000	##FFFFFF
##37728E	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708F

Deuteranopia (green-blind)

#58678E

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #37728e;
/* rgb */ color: rgb(55, 114, 142);
/* oklch */ color: oklch(52.5% 0.075 231.2);

Tailwind

colors: {
  custom: {
    50: '#769aaf',
    500: '#37728e',
    950: '#000000',
  },
}

SCSS

$custom: #37728e;
$custom-light: #769aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#37728e",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 142
  },
  "hsl": {
    "h": 199.31,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52456,
    "c": 0.07548,
    "h": 231.2
  },
  "luminance": 0.148
}

Semantic roles & 50–950 ramp

primary

#37728E

secondary

#B3846E

accent

#7D54D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37728E

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

Preview Lab → · Contrast checker → · Palette generator →