#37A4BE#37A4BE

#37A4BE is a light, moderate cyan. Relative luminance 0.311; OKLCH L 66.9% C 0.103 H 217.1°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#37A4BE
RGB	rgb(55, 164, 190)
HSL	hsl(192, 55%, 48%)
HSV	hsv(192, 71%, 75%)
CMYK	cmyk(71.1%, 13.7%, 0%, 25.5%)
CIE-LAB	lab(62.57, -22.03, -22.28)
CIE-LCH	lch(62.57, 31.33, 225.32°)
OKLab	oklab(66.86% -0.0821 -0.0621)
OKLCH	oklch(66.86% 0.103 217.1)
XYZ	xyz(24.1414, 31.0781, 53.4316)
Luminance	0.3108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4BE #BE5137

analogous

#37BE95 #37A4BE #3760BE

triadic

#37A4BE #BE37A4 #A4BE37

tetradic

#37A4BE #9537BE #BE5137 #60BE37

square

#37A4BE #9537BE #BE5137 #60BE37

split-complementary

#37A4BE #BE3760 #BE9537

monochromatic

#1C525F #297B8F #37A4BE #61BCD1 #90D0DF

Accessibility & contrast

On white

2.91

#37A4BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#37A4BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4BE

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4BE	#FFFFFF	#000000	##000000
##37A4BE	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939FBF

Deuteranopia (green-blind)

#8091BE

Tritanopia (blue-blind)

#00ADAC

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a4be;
/* rgb */ color: rgb(55, 164, 190);
/* oklch */ color: oklch(66.9% 0.103 217.1);

Tailwind

colors: {
  custom: {
    50: '#80bfd1',
    500: '#37a4be',
    950: '#000000',
  },
}

SCSS

$custom: #37a4be;
$custom-light: #80bfd1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4be",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 190
  },
  "hsl": {
    "h": 191.556,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.66856,
    "c": 0.10297,
    "h": 217.1
  },
  "luminance": 0.31081
}

Semantic roles & 50–950 ramp

primary

#37A4BE

secondary

#CA9487

accent

#6649DE

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A4BE

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

Preview Lab → · Contrast checker → · Palette generator →