#37B2CD#37B2CD

#37B2CD is a light, moderate cyan. Relative luminance 0.371; OKLCH L 70.9% C 0.111 H 215.9°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#37B2CD
RGB	rgb(55, 178, 205)
HSL	hsl(191, 60%, 51%)
HSV	hsv(191, 73%, 80%)
CMYK	cmyk(73.2%, 13.2%, 0%, 19.6%)
CIE-LAB	lab(67.32, -24.44, -23.35)
CIE-LCH	lch(67.32, 33.80, 223.70°)
OKLab	oklab(70.86% -0.0901 -0.0651)
OKLCH	oklch(70.86% 0.111 215.9)
XYZ	xyz(28.5107, 37.0574, 63.3960)
Luminance	0.3706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B2CD #CD5237

analogous

#37CD9D #37B2CD #3767CD

triadic

#37B2CD #CD37B2 #B2CD37

tetradic

#37B2CD #9D37CD #CD5237 #67CD37

square

#37B2CD #9D37CD #CD5237 #67CD37

split-complementary

#37B2CD #CD3767 #CD9D37

monochromatic

#1C5F6E #288A9F #37B2CD #68C5D9 #99D8E5

Accessibility & contrast

On white

2.50

#37B2CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#37B2CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B2CD

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B2CD	#FFFFFF	#000000	##000000
##37B2CD	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ACCF

Deuteranopia (green-blind)

#8B9DCD

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #37b2cd;
/* rgb */ color: rgb(55, 178, 205);
/* oklch */ color: oklch(70.9% 0.111 215.9);

Tailwind

colors: {
  custom: {
    50: '#83c9dc',
    500: '#37b2cd',
    950: '#000000',
  },
}

SCSS

$custom: #37b2cd;
$custom-light: #83c9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#37b2cd",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 205
  },
  "hsl": {
    "h": 190.8,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.70855,
    "c": 0.11115,
    "h": 215.9
  },
  "luminance": 0.37061
}

Semantic roles & 50–950 ramp

primary

#37B2CD

secondary

#D19B8F

accent

#6145E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B2CD

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

Preview Lab → · Contrast checker → · Palette generator →