#37AECC#37AECC

#37AECC is a light, moderate cyan. Relative luminance 0.354; OKLCH L 69.9% C 0.111 H 218.5°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#37AECC
RGB	rgb(55, 174, 204)
HSL	hsl(192, 59%, 51%)
HSV	hsv(192, 73%, 80%)
CMYK	cmyk(73%, 14.7%, 0%, 20%)
CIE-LAB	lab(66.09, -22.71, -24.68)
CIE-LCH	lch(66.09, 33.54, 227.38°)
OKLab	oklab(69.85% -0.0865 -0.0689)
OKLCH	oklch(69.85% 0.111 218.5)
XYZ	xyz(27.6061, 35.4407, 62.5008)
Luminance	0.3544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AECC #CC5537

analogous

#37CCA0 #37AECC #3763CC

triadic

#37AECC #CC37AE #AECC37

tetradic

#37AECC #A037CC #CC5537 #63CC37

square

#37AECC #A037CC #CC5537 #63CC37

split-complementary

#37AECC #CC3763 #CCA037

monochromatic

#1C5D6D #28869E #37AECC #68C2D8 #99D5E5

Accessibility & contrast

On white

2.60

#37AECC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#37AECC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AECC

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AECC	#FFFFFF	#000000	##000000
##37AECC	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA9CE

Deuteranopia (green-blind)

#879ACC

Tritanopia (blue-blind)

#00B8B7

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #37aecc;
/* rgb */ color: rgb(55, 174, 204);
/* oklch */ color: oklch(69.9% 0.111 218.5);

Tailwind

colors: {
  custom: {
    50: '#83c6db',
    500: '#37aecc',
    950: '#000000',
  },
}

SCSS

$custom: #37aecc;
$custom-light: #83c6db;
$custom-dark: #000000;

JSON

{
  "hex": "#37aecc",
  "rgb": {
    "r": 55,
    "g": 174,
    "b": 204
  },
  "hsl": {
    "h": 192.081,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69854,
    "c": 0.11063,
    "h": 218.5
  },
  "luminance": 0.35444
}

Semantic roles & 50–950 ramp

primary

#37AECC

secondary

#D09C8E

accent

#6545E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AECC

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

Preview Lab → · Contrast checker → · Palette generator →