#37B9B4#37B9B4

#37B9B4 is a light, moderate teal. Relative luminance 0.388; OKLCH L 71.6% C 0.110 H 191.2°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#37B9B4
RGB	rgb(55, 185, 180)
HSL	hsl(178, 54%, 47%)
HSV	hsv(178, 70%, 73%)
CMYK	cmyk(70.3%, 0%, 2.7%, 27.5%)
CIE-LAB	lab(68.61, -35.36, -7.63)
CIE-LCH	lch(68.61, 36.17, 192.17°)
OKLab	oklab(71.62% -0.1076 -0.0213)
OKLCH	oklch(71.62% 0.11 191.2)
XYZ	xyz(27.1589, 38.8023, 49.2294)
Luminance	0.3881 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B9B4 #B9373C

analogous

#37B973 #37B9B4 #377DB9

triadic

#37B9B4 #B437B9 #B9B437

tetradic

#37B9B4 #7337B9 #B9373C #7DB937

square

#37B9B4 #7337B9 #B9373C #7DB937

split-complementary

#37B9B4 #B9377D #B97337

monochromatic

#1B5B58 #298A86 #37B9B4 #5ECFCB #8DDDDA

Accessibility & contrast

On white

2.40

#37B9B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#37B9B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B9B4

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B9B4	#FFFFFF	#000000	##000000
##37B9B4	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEAFB4

Deuteranopia (green-blind)

#9BA1B5

Tritanopia (blue-blind)

#00BEB7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #37b9b4;
/* rgb */ color: rgb(55, 185, 180);
/* oklch */ color: oklch(71.6% 0.110 191.2);

Tailwind

colors: {
  custom: {
    50: '#81ceca',
    500: '#37b9b4',
    950: '#000000',
  },
}

SCSS

$custom: #37b9b4;
$custom-light: #81ceca;
$custom-dark: #000000;

JSON

{
  "hex": "#37b9b4",
  "rgb": {
    "r": 55,
    "g": 185,
    "b": 180
  },
  "hsl": {
    "h": 177.692,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.71624,
    "c": 0.10967,
    "h": 191.2
  },
  "luminance": 0.38805
}

Semantic roles & 50–950 ramp

primary

#37B9B4

secondary

#C88487

accent

#4A50DE

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #37B9B4

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

Preview Lab → · Contrast checker → · Palette generator →