#37B5CA#37B5CA

#37B5CA is a light, moderate teal. Relative luminance 0.381; OKLCH L 71.5% C 0.110 H 211.2°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#37B5CA
RGB	rgb(55, 181, 202)
HSL	hsl(189, 58%, 50%)
HSV	hsv(189, 73%, 79%)
CMYK	cmyk(72.8%, 10.4%, 0%, 20.8%)
CIE-LAB	lab(68.11, -26.88, -20.49)
CIE-LCH	lch(68.11, 33.80, 217.32°)
OKLab	oklab(71.46% -0.0942 -0.057)
OKLCH	oklch(71.46% 0.11 211.2)
XYZ	xyz(28.7555, 38.1208, 61.7082)
Luminance	0.3812 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5CA #CA4C37

analogous

#37CA95 #37B5CA #376CCA

triadic

#37B5CA #CA37B5 #B5CA37

tetradic

#37B5CA #9537CA #CA4C37 #6CCA37

square

#37B5CA #9537CA #CA4C37 #6CCA37

split-complementary

#37B5CA #CA376C #CA9537

monochromatic

#1C5F6A #298B9B #37B5CA #67C7D7 #98D9E4

Accessibility & contrast

On white

2.43

#37B5CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#37B5CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5CA

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5CA	#FFFFFF	#000000	##000000
##37B5CA	1.00	2.43	8.62	8.62
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCB

Deuteranopia (green-blind)

#90A0CA

Tritanopia (blue-blind)

#00BEBB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #37b5ca;
/* rgb */ color: rgb(55, 181, 202);
/* oklch */ color: oklch(71.5% 0.110 211.2);

Tailwind

colors: {
  custom: {
    50: '#83cbda',
    500: '#37b5ca',
    950: '#000000',
  },
}

SCSS

$custom: #37b5ca;
$custom-light: #83cbda;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5ca",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 202
  },
  "hsl": {
    "h": 188.571,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.71456,
    "c": 0.11014,
    "h": 211.2
  },
  "luminance": 0.38124
}

Semantic roles & 50–950 ramp

primary

#37B5CA

secondary

#CF978E

accent

#5D46E1

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #37B5CA

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

Preview Lab → · Contrast checker → · Palette generator →