#37ADC9#37ADC9

#37ADC9 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.5% C 0.109 H 217.3°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#37ADC9
RGB	rgb(55, 173, 201)
HSL	hsl(192, 57%, 50%)
HSV	hsv(192, 73%, 79%)
CMYK	cmyk(72.6%, 13.9%, 0%, 21.2%)
CIE-LAB	lab(65.68, -23.16, -23.65)
CIE-LCH	lch(65.68, 33.10, 225.60°)
OKLab	oklab(69.49% -0.0867 -0.066)
OKLCH	oklch(69.49% 0.109 217.3)
XYZ	xyz(27.0573, 34.9132, 60.5599)
Luminance	0.3492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ADC9 #C95337

analogous

#37C99C #37ADC9 #3764C9

triadic

#37ADC9 #C937AD #ADC937

tetradic

#37ADC9 #9C37C9 #C95337 #64C937

square

#37ADC9 #9C37C9 #C95337 #64C937

split-complementary

#37ADC9 #C93764 #C99C37

monochromatic

#1C5A69 #298499 #37ADC9 #67C1D6 #97D5E3

Accessibility & contrast

On white

2.63

#37ADC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#37ADC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ADC9

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ADC9	#FFFFFF	#000000	##000000
##37ADC9	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA8CB

Deuteranopia (green-blind)

#8799C9

Tritanopia (blue-blind)

#00B7B6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #37adc9;
/* rgb */ color: rgb(55, 173, 201);
/* oklch */ color: oklch(69.5% 0.109 217.3);

Tailwind

colors: {
  custom: {
    50: '#82c5d9',
    500: '#37adc9',
    950: '#000000',
  },
}

SCSS

$custom: #37adc9;
$custom-light: #82c5d9;
$custom-dark: #000000;

JSON

{
  "hex": "#37adc9",
  "rgb": {
    "r": 55,
    "g": 173,
    "b": 201
  },
  "hsl": {
    "h": 191.507,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.69489,
    "c": 0.10899,
    "h": 217.3
  },
  "luminance": 0.34916
}

Semantic roles & 50–950 ramp

primary

#37ADC9

secondary

#CF9A8D

accent

#6547E1

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #37ADC9

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

Preview Lab → · Contrast checker → · Palette generator →