#37AFD0#37AFD0

#37AFD0 is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.3% C 0.113 H 220.4°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#37AFD0
RGB	rgb(55, 175, 208)
HSL	hsl(193, 62%, 52%)
HSV	hsv(193, 74%, 82%)
CMYK	cmyk(73.6%, 15.9%, 0%, 18.4%)
CIE-LAB	lab(66.54, -21.94, -26.20)
CIE-LCH	lch(66.54, 34.18, 230.06°)
OKLab	oklab(70.26% -0.086 -0.0732)
OKLCH	oklch(70.26% 0.113 220.4)
XYZ	xyz(28.2859, 36.0229, 65.1246)
Luminance	0.3603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AFD0 #D05837

analogous

#37D0A5 #37AFD0 #3763D0

triadic

#37AFD0 #D037AF #AFD037

tetradic

#37AFD0 #A537D0 #D05837 #63D037

square

#37AFD0 #A537D0 #D05837 #63D037

split-complementary

#37AFD0 #D03763 #D0A537

monochromatic

#1B5F72 #2688A3 #37AFD0 #69C3DC #9AD7E7

Accessibility & contrast

On white

2.56

#37AFD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#37AFD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AFD0

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AFD0	#FFFFFF	#000000	##000000
##37AFD0	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAAD2

Deuteranopia (green-blind)

#869BD0

Tritanopia (blue-blind)

#00BABA

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37afd0;
/* rgb */ color: rgb(55, 175, 208);
/* oklch */ color: oklch(70.3% 0.113 220.4);

Tailwind

colors: {
  custom: {
    50: '#83c7de',
    500: '#37afd0',
    950: '#000000',
  },
}

SCSS

$custom: #37afd0;
$custom-light: #83c7de;
$custom-dark: #000000;

JSON

{
  "hex": "#37afd0",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 208
  },
  "hsl": {
    "h": 192.941,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.70263,
    "c": 0.11294,
    "h": 220.4
  },
  "luminance": 0.36026
}

Semantic roles & 50–950 ramp

primary

#37AFD0

secondary

#D39E90

accent

#6643E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AFD0

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

Preview Lab → · Contrast checker → · Palette generator →