#37AAC7#37AAC7

#37AAC7 is a light, moderate cyan. Relative luminance 0.337; OKLCH L 68.7% C 0.108 H 218.4°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#37AAC7
RGB	rgb(55, 170, 199)
HSL	hsl(192, 57%, 50%)
HSV	hsv(192, 72%, 78%)
CMYK	cmyk(72.4%, 14.6%, 0%, 22%)
CIE-LAB	lab(64.71, -22.25, -24.03)
CIE-LCH	lch(64.71, 32.75, 227.19°)
OKLab	oklab(68.68% -0.0846 -0.0671)
OKLCH	oklch(68.68% 0.108 218.4)
XYZ	xyz(26.2548, 33.6821, 59.1393)
Luminance	0.3368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AAC7 #C75437

analogous

#37C79C #37AAC7 #3762C7

triadic

#37AAC7 #C737AA #AAC737

tetradic

#37AAC7 #9C37C7 #C75437 #62C737

square

#37AAC7 #9C37C7 #C75437 #62C737

split-complementary

#37AAC7 #C73762 #C79C37

monochromatic

#1C5867 #2A8197 #37AAC7 #66BFD5 #96D3E2

Accessibility & contrast

On white

2.71

#37AAC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#37AAC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAC7

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AAC7	#FFFFFF	#000000	##000000
##37AAC7	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A5C9

Deuteranopia (green-blind)

#8497C7

Tritanopia (blue-blind)

#00B4B3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37aac7;
/* rgb */ color: rgb(55, 170, 199);
/* oklch */ color: oklch(68.7% 0.108 218.4);

Tailwind

colors: {
  custom: {
    50: '#82c3d8',
    500: '#37aac7',
    950: '#000000',
  },
}

SCSS

$custom: #37aac7;
$custom-light: #82c3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#37aac7",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 199
  },
  "hsl": {
    "h": 192.083,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.68683,
    "c": 0.10793,
    "h": 218.4
  },
  "luminance": 0.33685
}

Semantic roles & 50–950 ramp

primary

#37AAC7

secondary

#CD998C

accent

#6648E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37AAC7

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

Preview Lab → · Contrast checker → · Palette generator →