#37A8D0#37A8D0

#37A8D0 is a light, moderate cyan. Relative luminance 0.334; OKLCH L 68.6% C 0.114 H 226.2°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#37A8D0
RGB	rgb(55, 168, 208)
HSL	hsl(196, 62%, 52%)
HSV	hsv(196, 74%, 82%)
CMYK	cmyk(73.6%, 19.2%, 0%, 18.4%)
CIE-LAB	lab(64.46, -18.29, -29.41)
CIE-LCH	lch(64.46, 34.63, 238.13°)
OKLab	oklab(68.6% -0.0792 -0.0824)
OKLCH	oklch(68.6% 0.114 226.2)
XYZ	xyz(26.9587, 33.3684, 64.6822)
Luminance	0.3337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A8D0 #D05F37

analogous

#37D0AB #37A8D0 #375CD0

triadic

#37A8D0 #D037A8 #A8D037

tetradic

#37A8D0 #AB37D0 #D05F37 #5CD037

square

#37A8D0 #AB37D0 #D05F37 #5CD037

split-complementary

#37A8D0 #D0375C #D0AB37

monochromatic

#1B5B72 #2683A3 #37A8D0 #69BEDC #9AD3E7

Accessibility & contrast

On white

2.74

#37A8D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#37A8D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8D0

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A8D0	#FFFFFF	#000000	##000000
##37A8D0	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A5D2

Deuteranopia (green-blind)

#7E96D0

Tritanopia (blue-blind)

#00B4B5

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #37a8d0;
/* rgb */ color: rgb(55, 168, 208);
/* oklch */ color: oklch(68.6% 0.114 226.2);

Tailwind

colors: {
  custom: {
    50: '#83c2de',
    500: '#37a8d0',
    950: '#000000',
  },
}

SCSS

$custom: #37a8d0;
$custom-light: #83c2de;
$custom-dark: #000000;

JSON

{
  "hex": "#37a8d0",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 208
  },
  "hsl": {
    "h": 195.686,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.68596,
    "c": 0.11431,
    "h": 226.2
  },
  "luminance": 0.33372
}

Semantic roles & 50–950 ramp

primary

#37A8D0

secondary

#D3A190

accent

#6D43E5

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A8D0

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

Preview Lab → · Contrast checker → · Palette generator →