#37B9CC#37B9CC

#37B9CC is a light, moderate teal. Relative luminance 0.399; OKLCH L 72.5% C 0.112 H 209.4°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#37B9CC
RGB	rgb(55, 185, 204)
HSL	hsl(188, 59%, 51%)
HSV	hsv(188, 73%, 80%)
CMYK	cmyk(73%, 9.3%, 0%, 20%)
CIE-LAB	lab(69.37, -28.25, -19.67)
CIE-LCH	lch(69.37, 34.42, 214.85°)
OKLab	oklab(72.5% -0.0973 -0.0547)
OKLCH	oklch(72.5% 0.112 209.4)
XYZ	xyz(29.8189, 39.8662, 63.2384)
Luminance	0.3987 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B9CC #CC4A37

analogous

#37CC94 #37B9CC #376ECC

triadic

#37B9CC #CC37B9 #B9CC37

tetradic

#37B9CC #9437CC #CC4A37 #6ECC37

square

#37B9CC #9437CC #CC4A37 #6ECC37

split-complementary

#37B9CC #CC376E #CC9437

monochromatic

#1C636D #288F9E #37B9CC #68CAD8 #99DBE5

Accessibility & contrast

On white

2.34

#37B9CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#37B9CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B9CC

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B9CC	#FFFFFF	#000000	##000000
##37B9CC	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B2CD

Deuteranopia (green-blind)

#93A3CC

Tritanopia (blue-blind)

#00C2BF

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #37b9cc;
/* rgb */ color: rgb(55, 185, 204);
/* oklch */ color: oklch(72.5% 0.112 209.4);

Tailwind

colors: {
  custom: {
    50: '#84cedb',
    500: '#37b9cc',
    950: '#000000',
  },
}

SCSS

$custom: #37b9cc;
$custom-light: #84cedb;
$custom-dark: #000000;

JSON

{
  "hex": "#37b9cc",
  "rgb": {
    "r": 55,
    "g": 185,
    "b": 204
  },
  "hsl": {
    "h": 187.651,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72499,
    "c": 0.11165,
    "h": 209.4
  },
  "luminance": 0.3987
}

Semantic roles & 50–950 ramp

primary

#37B9CC

secondary

#D0978E

accent

#5945E3

background

#F8FCFD

surface

#F0F9FB

border

#CBD2D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B9CC

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

Preview Lab → · Contrast checker → · Palette generator →