#37AAD5#37AAD5

#37AAD5 is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.3% C 0.118 H 227.6°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#37AAD5
RGB	rgb(55, 170, 213)
HSL	hsl(196, 65%, 53%)
HSV	hsv(196, 74%, 84%)
CMYK	cmyk(74.2%, 20.2%, 0%, 16.5%)
CIE-LAB	lab(65.25, -17.70, -30.95)
CIE-LCH	lch(65.25, 35.65, 240.24°)
OKLab	oklab(69.29% -0.0793 -0.0868)
OKLCH	oklch(69.29% 0.118 227.6)
XYZ	xyz(27.9556, 34.3625, 68.0971)
Luminance	0.3437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AAD5 #D56237

analogous

#37D5B1 #37AAD5 #375BD5

triadic

#37AAD5 #D537AA #AAD537

tetradic

#37AAD5 #B137D5 #D56237 #5BD537

square

#37AAD5 #B137D5 #D56237 #5BD537

split-complementary

#37AAD5 #D5375B #D5B137

monochromatic

#195E78 #2486AB #37AAD5 #6ABFE0 #9CD5EA

Accessibility & contrast

On white

2.67

#37AAD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#37AAD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAD5

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AAD5	#FFFFFF	#000000	##000000
##37AAD5	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A7D7

Deuteranopia (green-blind)

#7E98D4

Tritanopia (blue-blind)

#00B6B8

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37aad5;
/* rgb */ color: rgb(55, 170, 213);
/* oklch */ color: oklch(69.3% 0.118 227.6);

Tailwind

colors: {
  custom: {
    50: '#84c3e2',
    500: '#37aad5',
    950: '#000000',
  },
}

SCSS

$custom: #37aad5;
$custom-light: #84c3e2;
$custom-dark: #000000;

JSON

{
  "hex": "#37aad5",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 213
  },
  "hsl": {
    "h": 196.329,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.69294,
    "c": 0.11759,
    "h": 227.6
  },
  "luminance": 0.34366
}

Semantic roles & 50–950 ramp

primary

#37AAD5

secondary

#D6A492

accent

#6D40E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37AAD5

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

Preview Lab → · Contrast checker → · Palette generator →