#37A6BE#37A6BE

#37A6BE is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.3% C 0.103 H 215.3°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#37A6BE
RGB	rgb(55, 166, 190)
HSL	hsl(191, 55%, 48%)
HSV	hsv(191, 71%, 75%)
CMYK	cmyk(71.1%, 12.6%, 0%, 25.5%)
CIE-LAB	lab(63.18, -23.06, -21.36)
CIE-LCH	lch(63.18, 31.43, 222.81°)
OKLab	oklab(67.34% -0.0841 -0.0595)
OKLCH	oklch(67.34% 0.103 215.3)
XYZ	xyz(24.5021, 31.7995, 53.5518)
Luminance	0.3180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6BE #BE4F37

analogous

#37BE93 #37A6BE #3762BE

triadic

#37A6BE #BE37A6 #A6BE37

tetradic

#37A6BE #9337BE #BE4F37 #62BE37

square

#37A6BE #9337BE #BE4F37 #62BE37

split-complementary

#37A6BE #BE3762 #BE9337

monochromatic

#1C535F #297D8F #37A6BE #61BDD1 #90D1DF

Accessibility & contrast

On white

2.85

#37A6BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#37A6BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6BE

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6BE	#FFFFFF	#000000	##000000
##37A6BE	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A1BF

Deuteranopia (green-blind)

#8293BE

Tritanopia (blue-blind)

#00AFAD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37a6be;
/* rgb */ color: rgb(55, 166, 190);
/* oklch */ color: oklch(67.3% 0.103 215.3);

Tailwind

colors: {
  custom: {
    50: '#80c0d1',
    500: '#37a6be',
    950: '#000000',
  },
}

SCSS

$custom: #37a6be;
$custom-light: #80c0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6be",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 190
  },
  "hsl": {
    "h": 190.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.67341,
    "c": 0.10306,
    "h": 215.3
  },
  "luminance": 0.31802
}

Semantic roles & 50–950 ramp

primary

#37A6BE

secondary

#CA9387

accent

#6449DE

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A6BE

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

Preview Lab → · Contrast checker → · Palette generator →