#37A8BB#37A8BB

#37A8BB is a light, moderate teal. Relative luminance 0.324; OKLCH L 67.7% C 0.102 H 211.1°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#37A8BB
RGB	rgb(55, 168, 187)
HSL	hsl(189, 55%, 47%)
HSV	hsv(189, 71%, 73%)
CMYK	cmyk(70.6%, 10.2%, 0%, 26.7%)
CIE-LAB	lab(63.67, -25.02, -18.93)
CIE-LCH	lch(63.67, 31.37, 217.10°)
OKLab	oklab(67.71% -0.0874 -0.0526)
OKLCH	oklch(67.71% 0.102 211.1)
XYZ	xyz(24.5440, 32.4025, 51.9648)
Luminance	0.3241 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A8BB #BB4A37

analogous

#37BB8C #37A8BB #3766BB

triadic

#37A8BB #BB37A8 #A8BB37

tetradic

#37A8BB #8C37BB #BB4A37 #66BB37

square

#37A8BB #8C37BB #BB4A37 #66BB37

split-complementary

#37A8BB #BB3766 #BB8C37

monochromatic

#1B535C #297E8C #37A8BB #5FC0D0 #8ED2DE

Accessibility & contrast

On white

2.81

#37A8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#37A8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8BB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A8BB	#FFFFFF	#000000	##000000
##37A8BB	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A2BC

Deuteranopia (green-blind)

#8694BB

Tritanopia (blue-blind)

#00B0AE

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a8bb;
/* rgb */ color: rgb(55, 168, 187);
/* oklch */ color: oklch(67.7% 0.102 211.1);

Tailwind

colors: {
  custom: {
    50: '#80c2cf',
    500: '#37a8bb',
    950: '#000000',
  },
}

SCSS

$custom: #37a8bb;
$custom-light: #80c2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#37a8bb",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 187
  },
  "hsl": {
    "h": 188.636,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67706,
    "c": 0.10201,
    "h": 211.1
  },
  "luminance": 0.32405
}

Semantic roles & 50–950 ramp

primary

#37A8BB

secondary

#C98F85

accent

#5F4ADE

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #37A8BB

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

Preview Lab → · Contrast checker → · Palette generator →