#37AECF#37AECF

#37AECF is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.0% C 0.112 H 220.6°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#37AECF
RGB	rgb(55, 174, 207)
HSL	hsl(193, 61%, 51%)
HSV	hsv(193, 73%, 81%)
CMYK	cmyk(73.4%, 15.9%, 0%, 18.8%)
CIE-LAB	lab(66.20, -21.75, -26.17)
CIE-LCH	lch(66.20, 34.03, 230.27°)
OKLab	oklab(69.98% -0.0854 -0.0732)
OKLCH	oklch(69.98% 0.112 220.6)
XYZ	xyz(27.9694, 35.5860, 64.4141)
Luminance	0.3559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AECF #CF5837

analogous

#37CFA4 #37AECF #3762CF

triadic

#37AECF #CF37AE #AECF37

tetradic

#37AECF #A437CF #CF5837 #62CF37

square

#37AECF #A437CF #CF5837 #62CF37

split-complementary

#37AECF #CF3762 #CFA437

monochromatic

#1B5E71 #2787A2 #37AECF #68C2DB #9AD6E7

Accessibility & contrast

On white

2.59

#37AECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#37AECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AECF

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AECF	#FFFFFF	#000000	##000000
##37AECF	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA9D1

Deuteranopia (green-blind)

#859ACF

Tritanopia (blue-blind)

#00B9B9

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #37aecf;
/* rgb */ color: rgb(55, 174, 207);
/* oklch */ color: oklch(70.0% 0.112 220.6);

Tailwind

colors: {
  custom: {
    50: '#83c6dd',
    500: '#37aecf',
    950: '#000000',
  },
}

SCSS

$custom: #37aecf;
$custom-light: #83c6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37aecf",
  "rgb": {
    "r": 55,
    "g": 174,
    "b": 207
  },
  "hsl": {
    "h": 193.026,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69981,
    "c": 0.11243,
    "h": 220.6
  },
  "luminance": 0.35589
}

Semantic roles & 50–950 ramp

primary

#37AECF

secondary

#D29E8F

accent

#6643E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AECF

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

Preview Lab → · Contrast checker → · Palette generator →