#37ABCF#37ABCF

#37ABCF is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.3% C 0.113 H 223.1°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#37ABCF
RGB	rgb(55, 171, 207)
HSL	hsl(194, 61%, 51%)
HSV	hsv(194, 73%, 81%)
CMYK	cmyk(73.4%, 17.4%, 0%, 18.8%)
CIE-LAB	lab(65.31, -20.19, -27.54)
CIE-LCH	lch(65.31, 34.15, 233.75°)
OKLab	oklab(69.27% -0.0825 -0.0771)
OKLCH	oklch(69.27% 0.113 223.1)
XYZ	xyz(27.3963, 34.4398, 64.2231)
Luminance	0.3444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABCF #CF5B37

analogous

#37CFA7 #37ABCF #375FCF

triadic

#37ABCF #CF37AB #ABCF37

tetradic

#37ABCF #A737CF #CF5B37 #5FCF37

square

#37ABCF #A737CF #CF5B37 #5FCF37

split-complementary

#37ABCF #CF375F #CFA737

monochromatic

#1B5C71 #2785A2 #37ABCF #68C0DB #9AD4E7

Accessibility & contrast

On white

2.66

#37ABCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#37ABCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABCF

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABCF	#FFFFFF	#000000	##000000
##37ABCF	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A7D1

Deuteranopia (green-blind)

#8298CF

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #37abcf;
/* rgb */ color: rgb(55, 171, 207);
/* oklch */ color: oklch(69.3% 0.113 223.1);

Tailwind

colors: {
  custom: {
    50: '#83c4dd',
    500: '#37abcf',
    950: '#000000',
  },
}

SCSS

$custom: #37abcf;
$custom-light: #83c4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37abcf",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 207
  },
  "hsl": {
    "h": 194.211,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69265,
    "c": 0.11288,
    "h": 223.1
  },
  "luminance": 0.34443
}

Semantic roles & 50–950 ramp

primary

#37ABCF

secondary

#D29F8F

accent

#6A43E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ABCF

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

Preview Lab → · Contrast checker → · Palette generator →