#37ACD5#37ACD5

#37ACD5 is a light, moderate cyan. Relative luminance 0.351; OKLCH L 69.8% C 0.117 H 226.0°. Best body text is #000000 at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#37ACD5
RGB	rgb(55, 172, 213)
HSL	hsl(196, 65%, 53%)
HSV	hsv(196, 74%, 84%)
CMYK	cmyk(74.2%, 19.2%, 0%, 16.5%)
CIE-LAB	lab(65.84, -18.75, -30.04)
CIE-LCH	lch(65.84, 35.41, 238.02°)
OKLab	oklab(69.77% -0.0812 -0.0842)
OKLCH	oklch(69.77% 0.117 226)
XYZ	xyz(28.3334, 35.1180, 68.2231)
Luminance	0.3512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ACD5 #D56037

analogous

#37D5AF #37ACD5 #375DD5

triadic

#37ACD5 #D537AC #ACD537

tetradic

#37ACD5 #AF37D5 #D56037 #5DD537

square

#37ACD5 #AF37D5 #D56037 #5DD537

split-complementary

#37ACD5 #D5375D #D5AF37

monochromatic

#196078 #2488AB #37ACD5 #6AC1E0 #9CD6EA

Accessibility & contrast

On white

2.62

#37ACD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.02

#37ACD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ACD5

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ACD5	#FFFFFF	#000000	##000000
##37ACD5	1.00	2.62	8.02	8.02
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.02	21.00	1.00	1.00
##000000	8.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A9D7

Deuteranopia (green-blind)

#8099D5

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #37acd5;
/* rgb */ color: rgb(55, 172, 213);
/* oklch */ color: oklch(69.8% 0.117 226.0);

Tailwind

colors: {
  custom: {
    50: '#84c4e2',
    500: '#37acd5',
    950: '#000000',
  },
}

SCSS

$custom: #37acd5;
$custom-light: #84c4e2;
$custom-dark: #000000;

JSON

{
  "hex": "#37acd5",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 213
  },
  "hsl": {
    "h": 195.57,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.69768,
    "c": 0.11699,
    "h": 226
  },
  "luminance": 0.35121
}

Semantic roles & 50–950 ramp

primary

#37ACD5

secondary

#D6A392

accent

#6B40E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ACD5

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

Preview Lab → · Contrast checker → · Palette generator →