#37B0D0#37B0D0

#37B0D0 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.5% C 0.113 H 219.6°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#37B0D0
RGB	rgb(55, 176, 208)
HSL	hsl(193, 62%, 52%)
HSV	hsv(193, 74%, 82%)
CMYK	cmyk(73.6%, 15.4%, 0%, 18.4%)
CIE-LAB	lab(66.83, -22.46, -25.75)
CIE-LCH	lch(66.83, 34.17, 228.90°)
OKLab	oklab(70.5% -0.0869 -0.0719)
OKLCH	oklch(70.5% 0.113 219.6)
XYZ	xyz(28.4813, 36.4136, 65.1897)
Luminance	0.3642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B0D0 #D05737

analogous

#37D0A4 #37B0D0 #3764D0

triadic

#37B0D0 #D037B0 #B0D037

tetradic

#37B0D0 #A437D0 #D05737 #64D037

square

#37B0D0 #A437D0 #D05737 #64D037

split-complementary

#37B0D0 #D03764 #D0A437

monochromatic

#1B6072 #2689A3 #37B0D0 #69C4DC #9AD7E7

Accessibility & contrast

On white

2.54

#37B0D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#37B0D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0D0

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B0D0	#FFFFFF	#000000	##000000
##37B0D0	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CABD2

Deuteranopia (green-blind)

#879CD0

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37b0d0;
/* rgb */ color: rgb(55, 176, 208);
/* oklch */ color: oklch(70.5% 0.113 219.6);

Tailwind

colors: {
  custom: {
    50: '#83c7de',
    500: '#37b0d0',
    950: '#000000',
  },
}

SCSS

$custom: #37b0d0;
$custom-light: #83c7de;
$custom-dark: #000000;

JSON

{
  "hex": "#37b0d0",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 208
  },
  "hsl": {
    "h": 192.549,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.70502,
    "c": 0.11286,
    "h": 219.6
  },
  "luminance": 0.36417
}

Semantic roles & 50–950 ramp

primary

#37B0D0

secondary

#D39E90

accent

#6543E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B0D0

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

Preview Lab → · Contrast checker → · Palette generator →