#37ABC9#37ABC9

#37ABC9 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.0% C 0.109 H 219.0°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#37ABC9
RGB	rgb(55, 171, 201)
HSL	hsl(192, 57%, 50%)
HSV	hsv(192, 73%, 79%)
CMYK	cmyk(72.6%, 14.9%, 0%, 21.2%)
CIE-LAB	lab(65.08, -22.13, -24.56)
CIE-LCH	lch(65.08, 33.06, 227.98°)
OKLab	oklab(69.01% -0.0848 -0.0686)
OKLCH	oklch(69.01% 0.109 219)
XYZ	xyz(26.6767, 34.1520, 60.4331)
Luminance	0.3416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABC9 #C95537

analogous

#37C99E #37ABC9 #3762C9

triadic

#37ABC9 #C937AB #ABC937

tetradic

#37ABC9 #9E37C9 #C95537 #62C937

square

#37ABC9 #9E37C9 #C95537 #62C937

split-complementary

#37ABC9 #C93762 #C99E37

monochromatic

#1C5969 #298299 #37ABC9 #67BFD6 #97D3E3

Accessibility & contrast

On white

2.68

#37ABC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#37ABC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABC9

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABC9	#FFFFFF	#000000	##000000
##37ABC9	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A6CB

Deuteranopia (green-blind)

#8498C9

Tritanopia (blue-blind)

#00B5B4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37abc9;
/* rgb */ color: rgb(55, 171, 201);
/* oklch */ color: oklch(69.0% 0.109 219.0);

Tailwind

colors: {
  custom: {
    50: '#82c4d9',
    500: '#37abc9',
    950: '#000000',
  },
}

SCSS

$custom: #37abc9;
$custom-light: #82c4d9;
$custom-dark: #000000;

JSON

{
  "hex": "#37abc9",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 201
  },
  "hsl": {
    "h": 192.329,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.69008,
    "c": 0.10905,
    "h": 219
  },
  "luminance": 0.34155
}

Semantic roles & 50–950 ramp

primary

#37ABC9

secondary

#CF9B8D

accent

#6747E1

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37ABC9

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

Preview Lab → · Contrast checker → · Palette generator →