#37AFCC#37AFCC

#37AFCC is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.1% C 0.111 H 217.7°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#37AFCC
RGB	rgb(55, 175, 204)
HSL	hsl(192, 59%, 51%)
HSV	hsv(192, 73%, 80%)
CMYK	cmyk(73%, 14.2%, 0%, 20%)
CIE-LAB	lab(66.39, -23.23, -24.22)
CIE-LCH	lch(66.39, 33.56, 226.21°)
OKLab	oklab(70.09% -0.0875 -0.0676)
OKLCH	oklch(70.09% 0.111 217.7)
XYZ	xyz(27.8000, 35.8285, 62.5655)
Luminance	0.3583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AFCC #CC5437

analogous

#37CC9E #37AFCC #3764CC

triadic

#37AFCC #CC37AF #AFCC37

tetradic

#37AFCC #9E37CC #CC5437 #64CC37

square

#37AFCC #9E37CC #CC5437 #64CC37

split-complementary

#37AFCC #CC3764 #CC9E37

monochromatic

#1C5D6D #28879E #37AFCC #68C3D8 #99D6E5

Accessibility & contrast

On white

2.57

#37AFCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#37AFCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AFCC

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AFCC	#FFFFFF	#000000	##000000
##37AFCC	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAACE

Deuteranopia (green-blind)

#889BCC

Tritanopia (blue-blind)

#00B9B8

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #37afcc;
/* rgb */ color: rgb(55, 175, 204);
/* oklch */ color: oklch(70.1% 0.111 217.7);

Tailwind

colors: {
  custom: {
    50: '#83c7db',
    500: '#37afcc',
    950: '#000000',
  },
}

SCSS

$custom: #37afcc;
$custom-light: #83c7db;
$custom-dark: #000000;

JSON

{
  "hex": "#37afcc",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 204
  },
  "hsl": {
    "h": 191.678,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.70094,
    "c": 0.1106,
    "h": 217.7
  },
  "luminance": 0.35832
}

Semantic roles & 50–950 ramp

primary

#37AFCC

secondary

#D09B8E

accent

#6445E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AFCC

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

Preview Lab → · Contrast checker → · Palette generator →