#37B4CC#37B4CC

#37B4CC is a light, moderate teal. Relative luminance 0.378; OKLCH L 71.3% C 0.111 H 213.5°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#37B4CC
RGB	rgb(55, 180, 204)
HSL	hsl(190, 59%, 51%)
HSV	hsv(190, 73%, 80%)
CMYK	cmyk(73%, 11.8%, 0%, 20%)
CIE-LAB	lab(67.88, -25.76, -21.94)
CIE-LCH	lch(67.88, 33.84, 220.43°)
OKLab	oklab(71.3% -0.0924 -0.0611)
OKLCH	oklch(71.3% 0.111 213.5)
XYZ	xyz(28.7912, 37.8110, 62.8959)
Luminance	0.3781 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4CC #CC4F37

analogous

#37CC99 #37B4CC #3769CC

triadic

#37B4CC #CC37B4 #B4CC37

tetradic

#37B4CC #9937CC #CC4F37 #69CC37

square

#37B4CC #9937CC #CC4F37 #69CC37

split-complementary

#37B4CC #CC3769 #CC9937

monochromatic

#1C606D #288B9E #37B4CC #68C6D8 #99D9E5

Accessibility & contrast

On white

2.45

#37B4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#37B4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4CC

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4CC	#FFFFFF	#000000	##000000
##37B4CC	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2AECD

Deuteranopia (green-blind)

#8E9FCC

Tritanopia (blue-blind)

#00BDBB

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b4cc;
/* rgb */ color: rgb(55, 180, 204);
/* oklch */ color: oklch(71.3% 0.111 213.5);

Tailwind

colors: {
  custom: {
    50: '#83cadb',
    500: '#37b4cc',
    950: '#000000',
  },
}

SCSS

$custom: #37b4cc;
$custom-light: #83cadb;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4cc",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 204
  },
  "hsl": {
    "h": 189.664,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.71295,
    "c": 0.11081,
    "h": 213.5
  },
  "luminance": 0.37814
}

Semantic roles & 50–950 ramp

primary

#37B4CC

secondary

#D0998E

accent

#5F45E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B4CC

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

Preview Lab → · Contrast checker → · Palette generator →