#37B0D3#37B0D3

#37B0D3 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.6% C 0.115 H 221.6°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#37B0D3
RGB	rgb(55, 176, 211)
HSL	hsl(193, 64%, 52%)
HSV	hsv(193, 74%, 83%)
CMYK	cmyk(73.9%, 16.6%, 0%, 17.3%)
CIE-LAB	lab(66.95, -21.49, -27.23)
CIE-LCH	lch(66.95, 34.69, 231.71°)
OKLab	oklab(70.63% -0.0858 -0.0762)
OKLCH	oklch(70.63% 0.115 221.6)
XYZ	xyz(28.8539, 36.5626, 67.1520)
Luminance	0.3657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B0D3 #D35A37

analogous

#37D3A8 #37B0D3 #3762D3

triadic

#37B0D3 #D337B0 #B0D337

tetradic

#37B0D3 #A837D3 #D35A37 #62D337

square

#37B0D3 #A837D3 #D35A37 #62D337

split-complementary

#37B0D3 #D33762 #D3A837

monochromatic

#1A6176 #258AA8 #37B0D3 #69C4DE #9BD8E9

Accessibility & contrast

On white

2.53

#37B0D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#37B0D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0D3

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B0D3	#FFFFFF	#000000	##000000
##37B0D3	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BACD5

Deuteranopia (green-blind)

#869CD3

Tritanopia (blue-blind)

#00BBBB

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37b0d3;
/* rgb */ color: rgb(55, 176, 211);
/* oklch */ color: oklch(70.6% 0.115 221.6);

Tailwind

colors: {
  custom: {
    50: '#84c7e0',
    500: '#37b0d3',
    950: '#000000',
  },
}

SCSS

$custom: #37b0d3;
$custom-light: #84c7e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37b0d3",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 211
  },
  "hsl": {
    "h": 193.462,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.70629,
    "c": 0.11473,
    "h": 221.6
  },
  "luminance": 0.36566
}

Semantic roles & 50–950 ramp

primary

#37B0D3

secondary

#D5A091

accent

#6641E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B0D3

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

Preview Lab → · Contrast checker → · Palette generator →