#37A4CE#37A4CE

#37A4CE is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.6% C 0.114 H 228.2°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#37A4CE
RGB	rgb(55, 164, 206)
HSL	hsl(197, 61%, 51%)
HSV	hsv(197, 73%, 81%)
CMYK	cmyk(73.3%, 20.4%, 0%, 19.2%)
CIE-LAB	lab(63.19, -16.82, -30.26)
CIE-LCH	lch(63.19, 34.62, 240.93°)
OKLab	oklab(67.55% -0.076 -0.0849)
OKLCH	oklch(67.55% 0.114 228.2)
XYZ	xyz(25.9871, 31.8163, 63.1521)
Luminance	0.3182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4CE #CE6137

analogous

#37CEAD #37A4CE #3758CE

triadic

#37A4CE #CE37A4 #A4CE37

tetradic

#37A4CE #AD37CE #CE6137 #58CE37

square

#37A4CE #AD37CE #CE6137 #58CE37

split-complementary

#37A4CE #CE3758 #CEAD37

monochromatic

#1B586F #277FA0 #37A4CE #68BADA #99D1E6

Accessibility & contrast

On white

2.85

#37A4CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#37A4CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4CE

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4CE	#FFFFFF	#000000	##000000
##37A4CE	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA1D0

Deuteranopia (green-blind)

#7993CD

Tritanopia (blue-blind)

#00B0B2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a4ce;
/* rgb */ color: rgb(55, 164, 206);
/* oklch */ color: oklch(67.6% 0.114 228.2);

Tailwind

colors: {
  custom: {
    50: '#82bfdd',
    500: '#37a4ce',
    950: '#000000',
  },
}

SCSS

$custom: #37a4ce;
$custom-light: #82bfdd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4ce",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 206
  },
  "hsl": {
    "h": 196.689,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.67555,
    "c": 0.11396,
    "h": 228.2
  },
  "luminance": 0.31819
}

Semantic roles & 50–950 ramp

primary

#37A4CE

secondary

#D2A28F

accent

#7044E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A4CE

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

Preview Lab → · Contrast checker → · Palette generator →