#37A8BF#37A8BF

#37A8BF is a light, moderate cyan. Relative luminance 0.326; OKLCH L 67.9% C 0.104 H 214.2°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#37A8BF
RGB	rgb(55, 168, 191)
HSL	hsl(190, 55%, 48%)
HSV	hsv(190, 71%, 75%)
CMYK	cmyk(71.2%, 12%, 0%, 25.1%)
CIE-LAB	lab(63.82, -23.77, -20.94)
CIE-LCH	lch(63.82, 31.68, 221.38°)
OKLab	oklab(67.87% -0.0857 -0.0583)
OKLCH	oklch(67.87% 0.104 214.2)
XYZ	xyz(24.9782, 32.5762, 54.2515)
Luminance	0.3258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A8BF #BF4E37

analogous

#37BF92 #37A8BF #3764BF

triadic

#37A8BF #BF37A8 #A8BF37

tetradic

#37A8BF #9237BF #BF4E37 #64BF37

square

#37A8BF #9237BF #BF4E37 #64BF37

split-complementary

#37A8BF #BF3764 #BF9237

monochromatic

#1C5460 #297E8F #37A8BF #62BFD2 #91D2DF

Accessibility & contrast

On white

2.79

#37A8BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#37A8BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8BF

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A8BF	#FFFFFF	#000000	##000000
##37A8BF	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A3C0

Deuteranopia (green-blind)

#8495BF

Tritanopia (blue-blind)

#00B1AF

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37a8bf;
/* rgb */ color: rgb(55, 168, 191);
/* oklch */ color: oklch(67.9% 0.104 214.2);

Tailwind

colors: {
  custom: {
    50: '#80c2d2',
    500: '#37a8bf',
    950: '#000000',
  },
}

SCSS

$custom: #37a8bf;
$custom-light: #80c2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#37a8bf",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 191
  },
  "hsl": {
    "h": 190.147,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.67868,
    "c": 0.1037,
    "h": 214.2
  },
  "luminance": 0.32579
}

Semantic roles & 50–950 ramp

primary

#37A8BF

secondary

#CA9388

accent

#6249DF

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A8BF

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

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