#37AAD4#37AAD4

#37AAD4 is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.2% C 0.117 H 227.0°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#37AAD4
RGB	rgb(55, 170, 212)
HSL	hsl(196, 65%, 52%)
HSV	hsv(196, 74%, 83%)
CMYK	cmyk(74.1%, 19.8%, 0%, 16.9%)
CIE-LAB	lab(65.21, -18.03, -30.46)
CIE-LCH	lch(65.21, 35.39, 239.38°)
OKLab	oklab(69.25% -0.0796 -0.0854)
OKLCH	oklch(69.25% 0.117 227)
XYZ	xyz(27.8291, 34.3119, 67.4307)
Luminance	0.3432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AAD4 #D46137

analogous

#37D4B0 #37AAD4 #375CD4

triadic

#37AAD4 #D437AA #AAD437

tetradic

#37AAD4 #B037D4 #D46137 #5CD437

square

#37AAD4 #B037D4 #D46137 #5CD437

split-complementary

#37AAD4 #D4375C #D4B037

monochromatic

#1A5E77 #2486A9 #37AAD4 #69BFDF #9CD5EA

Accessibility & contrast

On white

2.67

#37AAD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#37AAD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAD4

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AAD4	#FFFFFF	#000000	##000000
##37AAD4	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A7D6

Deuteranopia (green-blind)

#7E98D3

Tritanopia (blue-blind)

#00B6B8

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37aad4;
/* rgb */ color: rgb(55, 170, 212);
/* oklch */ color: oklch(69.2% 0.117 227.0);

Tailwind

colors: {
  custom: {
    50: '#83c3e1',
    500: '#37aad4',
    950: '#000000',
  },
}

SCSS

$custom: #37aad4;
$custom-light: #83c3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#37aad4",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 212
  },
  "hsl": {
    "h": 196.051,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.69249,
    "c": 0.1168,
    "h": 227
  },
  "luminance": 0.34315
}

Semantic roles & 50–950 ramp

primary

#37AAD4

secondary

#D6A491

accent

#6D40E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37AAD4

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

Preview Lab → · Contrast checker → · Palette generator →