#37AED5#37AED5

#37AED5 is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.2% C 0.116 H 224.5°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#37AED5
RGB	rgb(55, 174, 213)
HSL	hsl(195, 65%, 53%)
HSV	hsv(195, 74%, 84%)
CMYK	cmyk(74.2%, 18.3%, 0%, 16.5%)
CIE-LAB	lab(66.43, -19.80, -29.12)
CIE-LCH	lch(66.43, 35.22, 235.79°)
OKLab	oklab(70.24% -0.0831 -0.0816)
OKLCH	oklch(70.24% 0.116 224.5)
XYZ	xyz(28.7169, 35.8850, 68.3509)
Luminance	0.3589 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AED5 #D55E37

analogous

#37D5AD #37AED5 #375FD5

triadic

#37AED5 #D537AE #AED537

tetradic

#37AED5 #AD37D5 #D55E37 #5FD537

square

#37AED5 #AD37D5 #D55E37 #5FD537

split-complementary

#37AED5 #D5375F #D5AD37

monochromatic

#196178 #248AAB #37AED5 #6AC2E0 #9CD7EA

Accessibility & contrast

On white

2.57

#37AED5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#37AED5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AED5

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AED5	#FFFFFF	#000000	##000000
##37AED5	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98AAD7

Deuteranopia (green-blind)

#839BD5

Tritanopia (blue-blind)

#00BABB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37aed5;
/* rgb */ color: rgb(55, 174, 213);
/* oklch */ color: oklch(70.2% 0.116 224.5);

Tailwind

colors: {
  custom: {
    50: '#84c6e2',
    500: '#37aed5',
    950: '#000000',
  },
}

SCSS

$custom: #37aed5;
$custom-light: #84c6e2;
$custom-dark: #000000;

JSON

{
  "hex": "#37aed5",
  "rgb": {
    "r": 55,
    "g": 174,
    "b": 213
  },
  "hsl": {
    "h": 194.81,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70241,
    "c": 0.11647,
    "h": 224.5
  },
  "luminance": 0.35888
}

Semantic roles & 50–950 ramp

primary

#37AED5

secondary

#D6A392

accent

#6940E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AED5

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

Preview Lab → · Contrast checker → · Palette generator →