#37B5BC#37B5BC

#37B5BC is a light, moderate teal. Relative luminance 0.375; OKLCH L 70.9% C 0.107 H 200.5°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#37B5BC
RGB	rgb(55, 181, 188)
HSL	hsl(183, 55%, 48%)
HSV	hsv(183, 71%, 74%)
CMYK	cmyk(70.7%, 3.7%, 0%, 26.3%)
CIE-LAB	lab(67.64, -31.14, -13.48)
CIE-LCH	lch(67.64, 33.93, 203.41°)
OKLab	oklab(70.92% -0.1001 -0.0374)
OKLCH	oklch(70.92% 0.107 200.5)
XYZ	xyz(27.1725, 37.4876, 53.3710)
Luminance	0.3749 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5BC #BC3E37

analogous

#37BC81 #37B5BC #3772BC

triadic

#37B5BC #BC37B5 #B5BC37

tetradic

#37B5BC #8137BC #BC3E37 #72BC37

square

#37B5BC #8137BC #BC3E37 #72BC37

split-complementary

#37B5BC #BC3772 #BC8137

monochromatic

#1B5A5D #29878D #37B5BC #60CAD0 #8FDADE

Accessibility & contrast

On white

2.47

#37B5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#37B5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5BC

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5BC	#FFFFFF	#000000	##000000
##37B5BC	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ADBD

Deuteranopia (green-blind)

#949FBD

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b5bc;
/* rgb */ color: rgb(55, 181, 188);
/* oklch */ color: oklch(70.9% 0.107 200.5);

Tailwind

colors: {
  custom: {
    50: '#82cbd0',
    500: '#37b5bc',
    950: '#000000',
  },
}

SCSS

$custom: #37b5bc;
$custom-light: #82cbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5bc",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 188
  },
  "hsl": {
    "h": 183.158,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.70922,
    "c": 0.10683,
    "h": 200.5
  },
  "luminance": 0.37491
}

Semantic roles & 50–950 ramp

primary

#37B5BC

secondary

#C98986

accent

#524ADE

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #37B5BC

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

Preview Lab → · Contrast checker → · Palette generator →