#37AACF#37AACF

#37AACF is a light, moderate cyan. Relative luminance 0.341; OKLCH L 69.0% C 0.113 H 223.9°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#37AACF
RGB	rgb(55, 170, 207)
HSL	hsl(195, 61%, 51%)
HSV	hsv(195, 73%, 81%)
CMYK	cmyk(73.4%, 17.9%, 0%, 18.8%)
CIE-LAB	lab(65.01, -19.67, -28.00)
CIE-LCH	lch(65.01, 34.21, 234.91°)
OKLab	oklab(69.03% -0.0815 -0.0784)
OKLCH	oklch(69.03% 0.113 223.9)
XYZ	xyz(27.2081, 34.0635, 64.1603)
Luminance	0.3407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AACF #CF5C37

analogous

#37CFA8 #37AACF #375ECF

triadic

#37AACF #CF37AA #AACF37

tetradic

#37AACF #A837CF #CF5C37 #5ECF37

square

#37AACF #A837CF #CF5C37 #5ECF37

split-complementary

#37AACF #CF375E #CFA837

monochromatic

#1B5C71 #2784A2 #37AACF #68BFDB #9AD4E7

Accessibility & contrast

On white

2.69

#37AACF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#37AACF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AACF

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AACF	#FFFFFF	#000000	##000000
##37AACF	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A6D1

Deuteranopia (green-blind)

#8197CF

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37aacf;
/* rgb */ color: rgb(55, 170, 207);
/* oklch */ color: oklch(69.0% 0.113 223.9);

Tailwind

colors: {
  custom: {
    50: '#83c3dd',
    500: '#37aacf',
    950: '#000000',
  },
}

SCSS

$custom: #37aacf;
$custom-light: #83c3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37aacf",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 207
  },
  "hsl": {
    "h": 194.605,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69027,
    "c": 0.11307,
    "h": 223.9
  },
  "luminance": 0.34067
}

Semantic roles & 50–950 ramp

primary

#37AACF

secondary

#D2A08F

accent

#6B43E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37AACF

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

Preview Lab → · Contrast checker → · Palette generator →