#37B9B5#37B9B5

#37B9B5 is a light, moderate teal. Relative luminance 0.388; OKLCH L 71.7% C 0.110 H 192.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#37B9B5
RGB	rgb(55, 185, 181)
HSL	hsl(178, 54%, 47%)
HSV	hsv(178, 70%, 73%)
CMYK	cmyk(70.3%, 0%, 2.2%, 27.5%)
CIE-LAB	lab(68.64, -35.08, -8.13)
CIE-LCH	lch(68.64, 36.01, 193.06°)
OKLab	oklab(71.66% -0.1071 -0.0227)
OKLCH	oklch(71.66% 0.11 192)
XYZ	xyz(27.2612, 38.8431, 49.7678)
Luminance	0.3885 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B9B5 #B9373B

analogous

#37B974 #37B9B5 #377CB9

triadic

#37B9B5 #B537B9 #B9B537

tetradic

#37B9B5 #7437B9 #B9373B #7CB937

square

#37B9B5 #7437B9 #B9373B #7CB937

split-complementary

#37B9B5 #B9377C #B97437

monochromatic

#1B5B59 #298A87 #37B9B5 #5ECFCC #8DDDDB

Accessibility & contrast

On white

2.39

#37B9B5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#37B9B5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B9B5

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B9B5	#FFFFFF	#000000	##000000
##37B9B5	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB0B5

Deuteranopia (green-blind)

#9BA2B6

Tritanopia (blue-blind)

#00BEB7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #37b9b5;
/* rgb */ color: rgb(55, 185, 181);
/* oklch */ color: oklch(71.7% 0.110 192.0);

Tailwind

colors: {
  custom: {
    50: '#81cecb',
    500: '#37b9b5',
    950: '#000000',
  },
}

SCSS

$custom: #37b9b5;
$custom-light: #81cecb;
$custom-dark: #000000;

JSON

{
  "hex": "#37b9b5",
  "rgb": {
    "r": 55,
    "g": 185,
    "b": 181
  },
  "hsl": {
    "h": 178.154,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.71658,
    "c": 0.10951,
    "h": 192
  },
  "luminance": 0.38846
}

Semantic roles & 50–950 ramp

primary

#37B9B5

secondary

#C88486

accent

#4A4FDE

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #37B9B5

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

Preview Lab → · Contrast checker → · Palette generator →