#37B4CB#37B4CB

#37B4CB is a light, moderate teal. Relative luminance 0.378; OKLCH L 71.3% C 0.110 H 212.8°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#37B4CB
RGB	rgb(55, 180, 203)
HSL	hsl(189, 59%, 51%)
HSV	hsv(189, 73%, 80%)
CMYK	cmyk(72.9%, 11.3%, 0%, 20.4%)
CIE-LAB	lab(67.85, -26.07, -21.45)
CIE-LCH	lch(67.85, 33.76, 219.44°)
OKLab	oklab(71.26% -0.0928 -0.0597)
OKLCH	oklch(71.26% 0.11 212.8)
XYZ	xyz(28.6717, 37.7631, 62.2662)
Luminance	0.3777 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4CB #CB4E37

analogous

#37CB98 #37B4CB #376ACB

triadic

#37B4CB #CB37B4 #B4CB37

tetradic

#37B4CB #9837CB #CB4E37 #6ACB37

square

#37B4CB #9837CB #CB4E37 #6ACB37

split-complementary

#37B4CB #CB376A #CB9837

monochromatic

#1C5F6C #298A9C #37B4CB #68C6D8 #98D8E4

Accessibility & contrast

On white

2.46

#37B4CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#37B4CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4CB

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4CB	#FFFFFF	#000000	##000000
##37B4CB	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECC

Deuteranopia (green-blind)

#8E9FCB

Tritanopia (blue-blind)

#00BDBB

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b4cb;
/* rgb */ color: rgb(55, 180, 203);
/* oklch */ color: oklch(71.3% 0.110 212.8);

Tailwind

colors: {
  custom: {
    50: '#83cada',
    500: '#37b4cb',
    950: '#000000',
  },
}

SCSS

$custom: #37b4cb;
$custom-light: #83cada;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4cb",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 203
  },
  "hsl": {
    "h": 189.324,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71255,
    "c": 0.11038,
    "h": 212.8
  },
  "luminance": 0.37767
}

Semantic roles & 50–950 ramp

primary

#37B4CB

secondary

#D0988E

accent

#5E46E2

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B4CB

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

Preview Lab → · Contrast checker → · Palette generator →