#37A0B8#37A0B8

#37A0B8 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.6% C 0.100 H 216.2°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#37A0B8
RGB	rgb(55, 160, 184)
HSL	hsl(191, 54%, 47%)
HSV	hsv(191, 70%, 72%)
CMYK	cmyk(70.1%, 13%, 0%, 27.8%)
CIE-LAB	lab(61.14, -21.87, -21.10)
CIE-LCH	lch(61.14, 30.39, 223.98°)
OKLab	oklab(65.63% -0.0805 -0.0588)
OKLCH	oklch(65.63% 0.1 216.2)
XYZ	xyz(22.7945, 29.4119, 49.8138)
Luminance	0.2942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0B8 #B84F37

analogous

#37B890 #37A0B8 #3760B8

triadic

#37A0B8 #B837A0 #A0B837

tetradic

#37A0B8 #9037B8 #B84F37 #60B837

square

#37A0B8 #9037B8 #B84F37 #60B837

split-complementary

#37A0B8 #B83760 #B89037

monochromatic

#1B4E5A #297789 #37A0B8 #5DBACF #8DCEDD

Accessibility & contrast

On white

3.05

#37A0B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#37A0B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A0B8

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0B8	#FFFFFF	#000000	##000000
##37A0B8	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909BB9

Deuteranopia (green-blind)

#7E8EB8

Tritanopia (blue-blind)

#00A9A7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #37a0b8;
/* rgb */ color: rgb(55, 160, 184);
/* oklch */ color: oklch(65.6% 0.100 216.2);

Tailwind

colors: {
  custom: {
    50: '#7fbccd',
    500: '#37a0b8',
    950: '#000000',
  },
}

SCSS

$custom: #37a0b8;
$custom-light: #7fbccd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0b8",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 184
  },
  "hsl": {
    "h": 191.163,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.65634,
    "c": 0.09966,
    "h": 216.2
  },
  "luminance": 0.29415
}

Semantic roles & 50–950 ramp

primary

#37A0B8

secondary

#C79084

accent

#664ADD

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #37A0B8

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

Preview Lab → · Contrast checker → · Palette generator →