#37A1BE#37A1BE

#37A1BE is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.1% C 0.103 H 219.9°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#37A1BE
RGB	rgb(55, 161, 190)
HSL	hsl(193, 55%, 48%)
HSV	hsv(193, 71%, 75%)
CMYK	cmyk(71.1%, 15.3%, 0%, 25.5%)
CIE-LAB	lab(61.67, -20.47, -23.67)
CIE-LCH	lch(61.67, 31.29, 229.15°)
OKLab	oklab(66.13% -0.0791 -0.0661)
OKLCH	oklch(66.13% 0.103 219.9)
XYZ	xyz(23.6108, 30.0170, 53.2547)
Luminance	0.3002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1BE #BE5437

analogous

#37BE97 #37A1BE #375DBE

triadic

#37A1BE #BE37A1 #A1BE37

tetradic

#37A1BE #9737BE #BE5437 #5DBE37

square

#37A1BE #9737BE #BE5437 #5DBE37

split-complementary

#37A1BE #BE375D #BE9737

monochromatic

#1C515F #29798F #37A1BE #61B9D1 #90CEDF

Accessibility & contrast

On white

3.00

#37A1BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#37A1BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1BE

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1BE	#FFFFFF	#000000	##000000
##37A1BE	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9DC0

Deuteranopia (green-blind)

#7D8FBE

Tritanopia (blue-blind)

#00ABAA

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #37a1be;
/* rgb */ color: rgb(55, 161, 190);
/* oklch */ color: oklch(66.1% 0.103 219.9);

Tailwind

colors: {
  custom: {
    50: '#80bdd1',
    500: '#37a1be',
    950: '#000000',
  },
}

SCSS

$custom: #37a1be;
$custom-light: #80bdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1be",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 190
  },
  "hsl": {
    "h": 192.889,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.6613,
    "c": 0.10307,
    "h": 219.9
  },
  "luminance": 0.3002
}

Semantic roles & 50–950 ramp

primary

#37A1BE

secondary

#CA9587

accent

#6949DE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #37A1BE

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

Preview Lab → · Contrast checker → · Palette generator →