#37B4B9#37B4B9

#37B4B9 is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.6% C 0.106 H 199.0°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#37B4B9
RGB	rgb(55, 180, 185)
HSL	hsl(182, 54%, 47%)
HSV	hsv(182, 70%, 73%)
CMYK	cmyk(70.3%, 2.7%, 0%, 27.5%)
CIE-LAB	lab(67.24, -31.55, -12.42)
CIE-LCH	lch(67.24, 33.91, 201.50°)
OKLab	oklab(70.57% -0.1003 -0.0345)
OKLCH	oklch(70.57% 0.106 199)
XYZ	xyz(26.6499, 36.9544, 51.6179)
Luminance	0.3696 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4B9 #B93C37

analogous

#37B97D #37B4B9 #3773B9

triadic

#37B4B9 #B937B4 #B4B937

tetradic

#37B4B9 #7D37B9 #B93C37 #73B937

square

#37B4B9 #7D37B9 #B93C37 #73B937

split-complementary

#37B4B9 #B93773 #B97D37

monochromatic

#1B585B #29868A #37B4B9 #5ECBCF #8DDADD

Accessibility & contrast

On white

2.50

#37B4B9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#37B4B9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4B9

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4B9	#FFFFFF	#000000	##000000
##37B4B9	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBA

Deuteranopia (green-blind)

#949EBA

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b4b9;
/* rgb */ color: rgb(55, 180, 185);
/* oklch */ color: oklch(70.6% 0.106 199.0);

Tailwind

colors: {
  custom: {
    50: '#81cbce',
    500: '#37b4b9',
    950: '#000000',
  },
}

SCSS

$custom: #37b4b9;
$custom-light: #81cbce;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4b9",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 185
  },
  "hsl": {
    "h": 182.308,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70568,
    "c": 0.1061,
    "h": 199
  },
  "luminance": 0.36958
}

Semantic roles & 50–950 ramp

primary

#37B4B9

secondary

#C88784

accent

#504ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #37B4B9

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

Preview Lab → · Contrast checker → · Palette generator →