#37B5CB#37B5CB

#37B5CB is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.5% C 0.111 H 211.9°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#37B5CB
RGB	rgb(55, 181, 203)
HSL	hsl(189, 59%, 51%)
HSV	hsv(189, 73%, 80%)
CMYK	cmyk(72.9%, 10.8%, 0%, 20.4%)
CIE-LAB	lab(68.14, -26.57, -20.99)
CIE-LCH	lch(68.14, 33.86, 218.31°)
OKLab	oklab(71.5% -0.0938 -0.0584)
OKLCH	oklch(71.5% 0.111 211.9)
XYZ	xyz(28.8743, 38.1683, 62.3338)
Luminance	0.3817 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5CB #CB4D37

analogous

#37CB97 #37B5CB #376BCB

triadic

#37B5CB #CB37B5 #B5CB37

tetradic

#37B5CB #9737CB #CB4D37 #6BCB37

square

#37B5CB #9737CB #CB4D37 #6BCB37

split-complementary

#37B5CB #CB376B #CB9737

monochromatic

#1C606C #298B9C #37B5CB #68C7D8 #98D9E4

Accessibility & contrast

On white

2.43

#37B5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.63

#37B5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5CB

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5CB	#FFFFFF	#000000	##000000
##37B5CB	1.00	2.43	8.63	8.63
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.63	21.00	1.00	1.00
##000000	8.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCC

Deuteranopia (green-blind)

#8FA0CB

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #37b5cb;
/* rgb */ color: rgb(55, 181, 203);
/* oklch */ color: oklch(71.5% 0.111 211.9);

Tailwind

colors: {
  custom: {
    50: '#83cbda',
    500: '#37b5cb',
    950: '#000000',
  },
}

SCSS

$custom: #37b5cb;
$custom-light: #83cbda;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5cb",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 203
  },
  "hsl": {
    "h": 188.919,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71496,
    "c": 0.11052,
    "h": 211.9
  },
  "luminance": 0.38172
}

Semantic roles & 50–950 ramp

primary

#37B5CB

secondary

#D0988E

accent

#5D46E2

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B5CB

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

Preview Lab → · Contrast checker → · Palette generator →