#37ADD5#37ADD5

#37ADD5 is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.0% C 0.117 H 225.3°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#37ADD5
RGB	rgb(55, 173, 213)
HSL	hsl(195, 65%, 53%)
HSV	hsv(195, 74%, 84%)
CMYK	cmyk(74.2%, 18.8%, 0%, 16.5%)
CIE-LAB	lab(66.14, -19.28, -29.58)
CIE-LCH	lch(66.14, 35.31, 236.91°)
OKLab	oklab(70% -0.0822 -0.0829)
OKLCH	oklch(70% 0.117 225.3)
XYZ	xyz(28.5244, 35.5001, 68.2867)
Luminance	0.3550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ADD5 #D55F37

analogous

#37D5AE #37ADD5 #375ED5

triadic

#37ADD5 #D537AD #ADD537

tetradic

#37ADD5 #AE37D5 #D55F37 #5ED537

square

#37ADD5 #AE37D5 #D55F37 #5ED537

split-complementary

#37ADD5 #D5375E #D5AE37

monochromatic

#196078 #2489AB #37ADD5 #6AC2E0 #9CD6EA

Accessibility & contrast

On white

2.59

#37ADD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#37ADD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ADD5

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ADD5	#FFFFFF	#000000	##000000
##37ADD5	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A9D7

Deuteranopia (green-blind)

#829AD5

Tritanopia (blue-blind)

#00B9BA

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #37add5;
/* rgb */ color: rgb(55, 173, 213);
/* oklch */ color: oklch(70.0% 0.117 225.3);

Tailwind

colors: {
  custom: {
    50: '#84c5e2',
    500: '#37add5',
    950: '#000000',
  },
}

SCSS

$custom: #37add5;
$custom-light: #84c5e2;
$custom-dark: #000000;

JSON

{
  "hex": "#37add5",
  "rgb": {
    "r": 55,
    "g": 173,
    "b": 213
  },
  "hsl": {
    "h": 195.19,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70004,
    "c": 0.11672,
    "h": 225.3
  },
  "luminance": 0.35503
}

Semantic roles & 50–950 ramp

primary

#37ADD5

secondary

#D6A392

accent

#6A40E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37ADD5

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

Preview Lab → · Contrast checker → · Palette generator →