#37A4CD#37A4CD

#37A4CD is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.5% C 0.113 H 227.5°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#37A4CD
RGB	rgb(55, 164, 205)
HSL	hsl(196, 60%, 51%)
HSV	hsv(196, 73%, 80%)
CMYK	cmyk(73.2%, 20%, 0%, 19.6%)
CIE-LAB	lab(63.15, -17.15, -29.76)
CIE-LCH	lch(63.15, 34.35, 240.05°)
OKLab	oklab(67.51% -0.0764 -0.0835)
OKLCH	oklch(67.51% 0.113 227.5)
XYZ	xyz(25.8660, 31.7679, 62.5144)
Luminance	0.3177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4CD #CD6037

analogous

#37CDAB #37A4CD #3759CD

triadic

#37A4CD #CD37A4 #A4CD37

tetradic

#37A4CD #AB37CD #CD6037 #59CD37

square

#37A4CD #AB37CD #CD6037 #59CD37

split-complementary

#37A4CD #CD3759 #CDAB37

monochromatic

#1C586E #287E9F #37A4CD #68BAD9 #99D1E5

Accessibility & contrast

On white

2.86

#37A4CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#37A4CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4CD

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4CD	#FFFFFF	#000000	##000000
##37A4CD	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA1CF

Deuteranopia (green-blind)

#7A92CC

Tritanopia (blue-blind)

#00B0B1

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a4cd;
/* rgb */ color: rgb(55, 164, 205);
/* oklch */ color: oklch(67.5% 0.113 227.5);

Tailwind

colors: {
  custom: {
    50: '#82bfdc',
    500: '#37a4cd',
    950: '#000000',
  },
}

SCSS

$custom: #37a4cd;
$custom-light: #82bfdc;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4cd",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 205
  },
  "hsl": {
    "h": 196.4,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.6751,
    "c": 0.11316,
    "h": 227.5
  },
  "luminance": 0.31771
}

Semantic roles & 50–950 ramp

primary

#37A4CD

secondary

#D1A18F

accent

#7045E3

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A4CD

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

Preview Lab → · Contrast checker → · Palette generator →