#37A6BF#37A6BF

#37A6BF is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.4% C 0.104 H 216.0°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#37A6BF
RGB	rgb(55, 166, 191)
HSL	hsl(191, 55%, 48%)
HSV	hsv(191, 71%, 75%)
CMYK	cmyk(71.2%, 13.1%, 0%, 25.1%)
CIE-LAB	lab(63.21, -22.74, -21.86)
CIE-LCH	lch(63.21, 31.55, 223.87°)
OKLab	oklab(67.38% -0.0837 -0.0609)
OKLCH	oklch(67.38% 0.104 216)
XYZ	xyz(24.6118, 31.8434, 54.1294)
Luminance	0.3185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6BF #BF5037

analogous

#37BF94 #37A6BF #3762BF

triadic

#37A6BF #BF37A6 #A6BF37

tetradic

#37A6BF #9437BF #BF5037 #62BF37

square

#37A6BF #9437BF #BF5037 #62BF37

split-complementary

#37A6BF #BF3762 #BF9437

monochromatic

#1C5360 #297D8F #37A6BF #62BDD2 #91D1DF

Accessibility & contrast

On white

2.85

#37A6BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#37A6BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6BF

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6BF	#FFFFFF	#000000	##000000
##37A6BF	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A1C0

Deuteranopia (green-blind)

#8293BF

Tritanopia (blue-blind)

#00AFAE

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a6bf;
/* rgb */ color: rgb(55, 166, 191);
/* oklch */ color: oklch(67.4% 0.104 216.0);

Tailwind

colors: {
  custom: {
    50: '#80c0d2',
    500: '#37a6bf',
    950: '#000000',
  },
}

SCSS

$custom: #37a6bf;
$custom-light: #80c0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6bf",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 191
  },
  "hsl": {
    "h": 191.029,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.67383,
    "c": 0.10357,
    "h": 216
  },
  "luminance": 0.31846
}

Semantic roles & 50–950 ramp

primary

#37A6BF

secondary

#CA9488

accent

#6549DF

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A6BF

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

Preview Lab → · Contrast checker → · Palette generator →