#37A7BF#37A7BF

#37A7BF is a light, moderate cyan. Relative luminance 0.322; OKLCH L 67.6% C 0.104 H 215.1°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#37A7BF
RGB	rgb(55, 167, 191)
HSL	hsl(191, 55%, 48%)
HSV	hsv(191, 71%, 75%)
CMYK	cmyk(71.2%, 12.6%, 0%, 25.1%)
CIE-LAB	lab(63.51, -23.26, -21.40)
CIE-LCH	lch(63.51, 31.61, 222.62°)
OKLab	oklab(67.63% -0.0847 -0.0596)
OKLCH	oklch(67.63% 0.104 215.1)
XYZ	xyz(24.7943, 32.2084, 54.1902)
Luminance	0.3221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7BF #BF4F37

analogous

#37BF93 #37A7BF #3763BF

triadic

#37A7BF #BF37A7 #A7BF37

tetradic

#37A7BF #9337BF #BF4F37 #63BF37

square

#37A7BF #9337BF #BF4F37 #63BF37

split-complementary

#37A7BF #BF3763 #BF9337

monochromatic

#1C5460 #297D8F #37A7BF #62BED2 #91D2DF

Accessibility & contrast

On white

2.82

#37A7BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#37A7BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7BF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7BF	#FFFFFF	#000000	##000000
##37A7BF	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A2C0

Deuteranopia (green-blind)

#8394BF

Tritanopia (blue-blind)

#00B0AE

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a7bf;
/* rgb */ color: rgb(55, 167, 191);
/* oklch */ color: oklch(67.6% 0.104 215.1);

Tailwind

colors: {
  custom: {
    50: '#80c1d2',
    500: '#37a7bf',
    950: '#000000',
  },
}

SCSS

$custom: #37a7bf;
$custom-light: #80c1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7bf",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 191
  },
  "hsl": {
    "h": 190.588,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.67625,
    "c": 0.10362,
    "h": 215.1
  },
  "luminance": 0.32211
}

Semantic roles & 50–950 ramp

primary

#37A7BF

secondary

#CA9388

accent

#6449DF

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A7BF

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

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