#37B8CB#37B8CB

#37B8CB is a light, moderate teal. Relative luminance 0.394; OKLCH L 72.2% C 0.111 H 209.4°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#37B8CB
RGB	rgb(55, 184, 203)
HSL	hsl(188, 59%, 51%)
HSV	hsv(188, 73%, 80%)
CMYK	cmyk(72.9%, 9.4%, 0%, 20.4%)
CIE-LAB	lab(69.04, -28.06, -19.63)
CIE-LCH	lch(69.04, 34.24, 214.97°)
OKLab	oklab(72.22% -0.0967 -0.0546)
OKLCH	oklch(72.22% 0.111 209.4)
XYZ	xyz(29.4909, 39.4015, 62.5393)
Luminance	0.3941 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B8CB #CB4A37

analogous

#37CB94 #37B8CB #376ECB

triadic

#37B8CB #CB37B8 #B8CB37

tetradic

#37B8CB #9437CB #CB4A37 #6ECB37

square

#37B8CB #9437CB #CB4A37 #6ECB37

split-complementary

#37B8CB #CB376E #CB9437

monochromatic

#1C616C #298D9C #37B8CB #68C9D8 #98DAE4

Accessibility & contrast

On white

2.36

#37B8CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#37B8CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B8CB

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B8CB	#FFFFFF	#000000	##000000
##37B8CB	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B1CC

Deuteranopia (green-blind)

#93A2CB

Tritanopia (blue-blind)

#00C1BE

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #37b8cb;
/* rgb */ color: rgb(55, 184, 203);
/* oklch */ color: oklch(72.2% 0.111 209.4);

Tailwind

colors: {
  custom: {
    50: '#83cdda',
    500: '#37b8cb',
    950: '#000000',
  },
}

SCSS

$custom: #37b8cb;
$custom-light: #83cdda;
$custom-dark: #000000;

JSON

{
  "hex": "#37b8cb",
  "rgb": {
    "r": 55,
    "g": 184,
    "b": 203
  },
  "hsl": {
    "h": 187.703,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.72219,
    "c": 0.11109,
    "h": 209.4
  },
  "luminance": 0.39405
}

Semantic roles & 50–950 ramp

primary

#37B8CB

secondary

#D0968E

accent

#5A46E2

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B8CB

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

Preview Lab → · Contrast checker → · Palette generator →