#37A6BD#37A6BD

#37A6BD is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.3% C 0.103 H 214.5°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#37A6BD
RGB	rgb(55, 166, 189)
HSL	hsl(190, 55%, 48%)
HSV	hsv(190, 71%, 74%)
CMYK	cmyk(70.9%, 12.2%, 0%, 25.9%)
CIE-LAB	lab(63.14, -23.38, -20.86)
CIE-LCH	lch(63.14, 31.33, 221.74°)
OKLab	oklab(67.3% -0.0845 -0.0581)
OKLCH	oklch(67.3% 0.103 214.5)
XYZ	xyz(24.3932, 31.7560, 52.9782)
Luminance	0.3176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6BD #BD4E37

analogous

#37BD91 #37A6BD #3763BD

triadic

#37A6BD #BD37A6 #A6BD37

tetradic

#37A6BD #9137BD #BD4E37 #63BD37

square

#37A6BD #9137BD #BD4E37 #63BD37

split-complementary

#37A6BD #BD3763 #BD9137

monochromatic

#1B535E #297C8E #37A6BD #60BED1 #90D1DF

Accessibility & contrast

On white

2.86

#37A6BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#37A6BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6BD

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6BD	#FFFFFF	#000000	##000000
##37A6BD	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A1BE

Deuteranopia (green-blind)

#8393BD

Tritanopia (blue-blind)

#00AFAD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a6bd;
/* rgb */ color: rgb(55, 166, 189);
/* oklch */ color: oklch(67.3% 0.103 214.5);

Tailwind

colors: {
  custom: {
    50: '#80c0d1',
    500: '#37a6bd',
    950: '#000000',
  },
}

SCSS

$custom: #37a6bd;
$custom-light: #80c0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6bd",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 189
  },
  "hsl": {
    "h": 190.299,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.673,
    "c": 0.10257,
    "h": 214.5
  },
  "luminance": 0.31759
}

Semantic roles & 50–950 ramp

primary

#37A6BD

secondary

#C99286

accent

#634ADE

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A6BD

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

Preview Lab → · Contrast checker → · Palette generator →