#37B0D2#37B0D2

#37B0D2 is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.6% C 0.114 H 220.9°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#37B0D2
RGB	rgb(55, 176, 210)
HSL	hsl(193, 63%, 52%)
HSV	hsv(193, 74%, 82%)
CMYK	cmyk(73.8%, 16.2%, 0%, 17.6%)
CIE-LAB	lab(66.91, -21.81, -26.73)
CIE-LCH	lch(66.91, 34.51, 230.79°)
OKLab	oklab(70.59% -0.0862 -0.0748)
OKLCH	oklch(70.59% 0.114 220.9)
XYZ	xyz(28.7289, 36.5126, 66.4938)
Luminance	0.3652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B0D2 #D25937

analogous

#37D2A6 #37B0D2 #3763D2

triadic

#37B0D2 #D237B0 #B0D237

tetradic

#37B0D2 #A637D2 #D25937 #63D237

square

#37B0D2 #A637D2 #D25937 #63D237

split-complementary

#37B0D2 #D23763 #D2A637

monochromatic

#1A6174 #258AA6 #37B0D2 #69C4DD #9BD7E8

Accessibility & contrast

On white

2.53

#37B0D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#37B0D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0D2

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B0D2	#FFFFFF	#000000	##000000
##37B0D2	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CABD4

Deuteranopia (green-blind)

#879CD2

Tritanopia (blue-blind)

#00BBBB

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37b0d2;
/* rgb */ color: rgb(55, 176, 210);
/* oklch */ color: oklch(70.6% 0.114 220.9);

Tailwind

colors: {
  custom: {
    50: '#84c7e0',
    500: '#37b0d2',
    950: '#000000',
  },
}

SCSS

$custom: #37b0d2;
$custom-light: #84c7e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37b0d2",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 210
  },
  "hsl": {
    "h": 193.161,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.70587,
    "c": 0.11409,
    "h": 220.9
  },
  "luminance": 0.36516
}

Semantic roles & 50–950 ramp

primary

#37B0D2

secondary

#D49F90

accent

#6641E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B0D2

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

Preview Lab → · Contrast checker → · Palette generator →