#37BBB4#37BBB4

#37BBB4 is a light, moderate teal. Relative luminance 0.396; OKLCH L 72.1% C 0.111 H 189.7°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#37BBB4
RGB	rgb(55, 187, 180)
HSL	hsl(177, 55%, 47%)
HSV	hsv(177, 71%, 73%)
CMYK	cmyk(70.6%, 0%, 3.7%, 26.7%)
CIE-LAB	lab(69.22, -36.29, -6.73)
CIE-LCH	lch(69.22, 36.91, 190.50°)
OKLab	oklab(72.12% -0.1096 -0.0188)
OKLCH	oklch(72.12% 0.111 189.7)
XYZ	xyz(27.5803, 39.6449, 49.3698)
Luminance	0.3965 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BBB4 #BB373E

analogous

#37BB72 #37BBB4 #3780BB

triadic

#37BBB4 #B437BB #BBB437

tetradic

#37BBB4 #7237BB #BB373E #80BB37

square

#37BBB4 #7237BB #BB373E #80BB37

split-complementary

#37BBB4 #BB3780 #BB7237

monochromatic

#1B5C59 #298C86 #37BBB4 #5FD0CA #8EDEDA

Accessibility & contrast

On white

2.35

#37BBB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#37BBB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BBB4

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BBB4	#FFFFFF	#000000	##000000
##37BBB4	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B1B4

Deuteranopia (green-blind)

#9DA3B5

Tritanopia (blue-blind)

#00C0B9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #37bbb4;
/* rgb */ color: rgb(55, 187, 180);
/* oklch */ color: oklch(72.1% 0.111 189.7);

Tailwind

colors: {
  custom: {
    50: '#82d0ca',
    500: '#37bbb4',
    950: '#000000',
  },
}

SCSS

$custom: #37bbb4;
$custom-light: #82d0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#37bbb4",
  "rgb": {
    "r": 55,
    "g": 187,
    "b": 180
  },
  "hsl": {
    "h": 176.818,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.72118,
    "c": 0.11121,
    "h": 189.7
  },
  "luminance": 0.39648
}

Semantic roles & 50–950 ramp

primary

#37BBB4

secondary

#C98589

accent

#4A52DE

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #37BBB4

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

Preview Lab → · Contrast checker → · Palette generator →