#37AAC6#37AAC6

#37AAC6 is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.6% C 0.107 H 217.7°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#37AAC6
RGB	rgb(55, 170, 198)
HSL	hsl(192, 57%, 50%)
HSV	hsv(192, 72%, 78%)
CMYK	cmyk(72.2%, 14.1%, 0%, 22.4%)
CIE-LAB	lab(64.67, -22.57, -23.53)
CIE-LCH	lch(64.67, 32.61, 226.19°)
OKLab	oklab(68.64% -0.0849 -0.0656)
OKLCH	oklch(68.64% 0.107 217.7)
XYZ	xyz(26.1390, 33.6358, 58.5299)
Luminance	0.3364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AAC6 #C65337

analogous

#37C69B #37AAC6 #3763C6

triadic

#37AAC6 #C637AA #AAC637

tetradic

#37AAC6 #9B37C6 #C65337 #63C637

square

#37AAC6 #9B37C6 #C65337 #63C637

split-complementary

#37AAC6 #C63763 #C69B37

monochromatic

#1C5866 #2A8196 #37AAC6 #66BFD4 #96D3E2

Accessibility & contrast

On white

2.72

#37AAC6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#37AAC6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAC6

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AAC6	#FFFFFF	#000000	##000000
##37AAC6	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A5C8

Deuteranopia (green-blind)

#8497C6

Tritanopia (blue-blind)

#00B4B3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37aac6;
/* rgb */ color: rgb(55, 170, 198);
/* oklch */ color: oklch(68.6% 0.107 217.7);

Tailwind

colors: {
  custom: {
    50: '#82c3d7',
    500: '#37aac6',
    950: '#000000',
  },
}

SCSS

$custom: #37aac6;
$custom-light: #82c3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#37aac6",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 198
  },
  "hsl": {
    "h": 191.748,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.68641,
    "c": 0.10736,
    "h": 217.7
  },
  "luminance": 0.33639
}

Semantic roles & 50–950 ramp

primary

#37AAC6

secondary

#CD998C

accent

#6648E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37AAC6

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

Preview Lab → · Contrast checker → · Palette generator →