#37B5C7#37B5C7

#37B5C7 is a light, moderate teal. Relative luminance 0.380; OKLCH L 71.3% C 0.109 H 209.0°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#37B5C7
RGB	rgb(55, 181, 199)
HSL	hsl(188, 57%, 50%)
HSV	hsv(188, 72%, 78%)
CMYK	cmyk(72.4%, 9%, 0%, 22%)
CIE-LAB	lab(68.01, -27.81, -19.00)
CIE-LCH	lch(68.01, 33.68, 214.34°)
OKLab	oklab(71.34% -0.0954 -0.0528)
OKLCH	oklch(71.34% 0.109 209)
XYZ	xyz(28.4038, 37.9801, 59.8557)
Luminance	0.3798 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5C7 #C74937

analogous

#37C791 #37B5C7 #376DC7

triadic

#37B5C7 #C737B5 #B5C737

tetradic

#37B5C7 #9137C7 #C74937 #6DC737

square

#37B5C7 #9137C7 #C74937 #6DC737

split-complementary

#37B5C7 #C7376D #C79137

monochromatic

#1C5E67 #2A8997 #37B5C7 #66C7D5 #96D9E2

Accessibility & contrast

On white

2.44

#37B5C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#37B5C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5C7

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5C7	#FFFFFF	#000000	##000000
##37B5C7	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5AEC8

Deuteranopia (green-blind)

#919FC7

Tritanopia (blue-blind)

#00BDBA

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #37b5c7;
/* rgb */ color: rgb(55, 181, 199);
/* oklch */ color: oklch(71.3% 0.109 209.0);

Tailwind

colors: {
  custom: {
    50: '#83cbd8',
    500: '#37b5c7',
    950: '#000000',
  },
}

SCSS

$custom: #37b5c7;
$custom-light: #83cbd8;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5c7",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 199
  },
  "hsl": {
    "h": 187.5,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71338,
    "c": 0.10908,
    "h": 209
  },
  "luminance": 0.37983
}

Semantic roles & 50–950 ramp

primary

#37B5C7

secondary

#CD948C

accent

#5B48E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #37B5C7

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

Preview Lab → · Contrast checker → · Palette generator →