#37A6CF#37A6CF

#37A6CF is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.1% C 0.114 H 227.1°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#37A6CF
RGB	rgb(55, 166, 207)
HSL	hsl(196, 61%, 51%)
HSV	hsv(196, 73%, 81%)
CMYK	cmyk(73.4%, 19.8%, 0%, 18.8%)
CIE-LAB	lab(63.82, -17.55, -29.83)
CIE-LCH	lch(63.82, 34.61, 239.52°)
OKLab	oklab(68.08% -0.0776 -0.0837)
OKLCH	oklch(68.08% 0.114 227.1)
XYZ	xyz(26.4697, 32.5866, 63.9142)
Luminance	0.3259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6CF #CF6037

analogous

#37CFAC #37A6CF #375ACF

triadic

#37A6CF #CF37A6 #A6CF37

tetradic

#37A6CF #AC37CF #CF6037 #5ACF37

square

#37A6CF #AC37CF #CF6037 #5ACF37

split-complementary

#37A6CF #CF375A #CFAC37

monochromatic

#1B5A71 #2781A2 #37A6CF #68BCDB #9AD2E7

Accessibility & contrast

On white

2.79

#37A6CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#37A6CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6CF

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6CF	#FFFFFF	#000000	##000000
##37A6CF	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A3D1

Deuteranopia (green-blind)

#7C94CE

Tritanopia (blue-blind)

#00B2B3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37a6cf;
/* rgb */ color: rgb(55, 166, 207);
/* oklch */ color: oklch(68.1% 0.114 227.1);

Tailwind

colors: {
  custom: {
    50: '#82c0dd',
    500: '#37a6cf',
    950: '#000000',
  },
}

SCSS

$custom: #37a6cf;
$custom-light: #82c0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6cf",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 207
  },
  "hsl": {
    "h": 196.184,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.68076,
    "c": 0.11412,
    "h": 227.1
  },
  "luminance": 0.3259
}

Semantic roles & 50–950 ramp

primary

#37A6CF

secondary

#D2A18F

accent

#6F43E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A6CF

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

Preview Lab → · Contrast checker → · Palette generator →