#37AAC5#37AAC5

#37AAC5 is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.6% C 0.107 H 217.0°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#37AAC5
RGB	rgb(55, 170, 197)
HSL	hsl(191, 56%, 49%)
HSV	hsv(191, 72%, 77%)
CMYK	cmyk(72.1%, 13.7%, 0%, 22.7%)
CIE-LAB	lab(64.64, -22.89, -23.03)
CIE-LCH	lch(64.64, 32.47, 225.17°)
OKLab	oklab(68.6% -0.0853 -0.0642)
OKLCH	oklch(68.6% 0.107 217)
XYZ	xyz(26.0241, 33.5899, 57.9244)
Luminance	0.3359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AAC5 #C55237

analogous

#37C599 #37AAC5 #3763C5

triadic

#37AAC5 #C537AA #AAC537

tetradic

#37AAC5 #9937C5 #C55237 #63C537

square

#37AAC5 #9937C5 #C55237 #63C537

split-complementary

#37AAC5 #C53763 #C59937

monochromatic

#1C5765 #2A8195 #37AAC5 #65BFD4 #95D3E1

Accessibility & contrast

On white

2.72

#37AAC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#37AAC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAC5

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AAC5	#FFFFFF	#000000	##000000
##37AAC5	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A5C6

Deuteranopia (green-blind)

#8597C5

Tritanopia (blue-blind)

#00B3B2

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37aac5;
/* rgb */ color: rgb(55, 170, 197);
/* oklch */ color: oklch(68.6% 0.107 217.0);

Tailwind

colors: {
  custom: {
    50: '#81c3d6',
    500: '#37aac5',
    950: '#000000',
  },
}

SCSS

$custom: #37aac5;
$custom-light: #81c3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#37aac5",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 197
  },
  "hsl": {
    "h": 191.408,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.68599,
    "c": 0.10682,
    "h": 217
  },
  "luminance": 0.33593
}

Semantic roles & 50–950 ramp

primary

#37AAC5

secondary

#CD988B

accent

#6548E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37AAC5

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

Preview Lab → · Contrast checker → · Palette generator →