#37B4D6#37B4D6

#37B4D6 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 71.7% C 0.116 H 220.3°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#37B4D6
RGB	rgb(55, 180, 214)
HSL	hsl(193, 66%, 53%)
HSV	hsv(193, 74%, 84%)
CMYK	cmyk(74.3%, 15.9%, 0%, 16.1%)
CIE-LAB	lab(68.25, -22.58, -26.88)
CIE-LCH	lch(68.25, 35.11, 229.96°)
OKLab	oklab(71.71% -0.0885 -0.0752)
OKLCH	oklch(71.71% 0.116 220.3)
XYZ	xyz(30.0293, 38.3062, 69.4165)
Luminance	0.3831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B4D6 #D65937

analogous

#37D6A8 #37B4D6 #3765D6

triadic

#37B4D6 #D637B4 #B4D637

tetradic

#37B4D6 #A837D6 #D65937 #65D637

square

#37B4D6 #A837D6 #D65937 #65D637

split-complementary

#37B4D6 #D63765 #D6A837

monochromatic

#19657A #238FAC #37B4D6 #6AC7E0 #9DDAEB

Accessibility & contrast

On white

2.42

#37B4D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#37B4D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4D6

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B4D6	#FFFFFF	#000000	##000000
##37B4D6	1.00	2.42	8.66	8.66
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FAFD8

Deuteranopia (green-blind)

#8AA0D6

Tritanopia (blue-blind)

#00BFBF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #37b4d6;
/* rgb */ color: rgb(55, 180, 214);
/* oklch */ color: oklch(71.7% 0.116 220.3);

Tailwind

colors: {
  custom: {
    50: '#84cae2',
    500: '#37b4d6',
    950: '#000000',
  },
}

SCSS

$custom: #37b4d6;
$custom-light: #84cae2;
$custom-dark: #000000;

JSON

{
  "hex": "#37b4d6",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 214
  },
  "hsl": {
    "h": 192.83,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.71709,
    "c": 0.11612,
    "h": 220.3
  },
  "luminance": 0.3831
}

Semantic roles & 50–950 ramp

primary

#37B4D6

secondary

#D7A192

accent

#633FE9

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #37B4D6

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

Preview Lab → · Contrast checker → · Palette generator →