#37A0BF#37A0BF

#37A0BF is a light, moderate cyan. Relative luminance 0.297; OKLCH L 65.9% C 0.104 H 221.5°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#37A0BF
RGB	rgb(55, 160, 191)
HSL	hsl(194, 55%, 48%)
HSV	hsv(194, 71%, 75%)
CMYK	cmyk(71.2%, 16.2%, 0%, 25.1%)
CIE-LAB	lab(61.41, -19.62, -24.63)
CIE-LCH	lch(61.41, 31.49, 231.46°)
OKLab	oklab(65.93% -0.0777 -0.0688)
OKLCH	oklch(65.93% 0.104 221.5)
XYZ	xyz(23.5464, 29.7127, 53.7743)
Luminance	0.2972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0BF #BF5637

analogous

#37BF9A #37A0BF #375CBF

triadic

#37A0BF #BF37A0 #A0BF37

tetradic

#37A0BF #9A37BF #BF5637 #5CBF37

square

#37A0BF #9A37BF #BF5637 #5CBF37

split-complementary

#37A0BF #BF375C #BF9A37

monochromatic

#1C5060 #29788F #37A0BF #62B8D2 #91CDDF

Accessibility & contrast

On white

3.02

#37A0BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#37A0BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A0BF

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0BF	#FFFFFF	#000000	##000000
##37A0BF	1.00	3.02	6.94	6.94
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9CC1

Deuteranopia (green-blind)

#7B8EBF

Tritanopia (blue-blind)

#00AAAA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #37a0bf;
/* rgb */ color: rgb(55, 160, 191);
/* oklch */ color: oklch(65.9% 0.104 221.5);

Tailwind

colors: {
  custom: {
    50: '#80bcd2',
    500: '#37a0bf',
    950: '#000000',
  },
}

SCSS

$custom: #37a0bf;
$custom-light: #80bcd2;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0bf",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 191
  },
  "hsl": {
    "h": 193.676,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65931,
    "c": 0.1038,
    "h": 221.5
  },
  "luminance": 0.29715
}

Semantic roles & 50–950 ramp

primary

#37A0BF

secondary

#CA9788

accent

#6B49DF

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A0BF

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

Preview Lab → · Contrast checker → · Palette generator →