#37A7C5#37A7C5

#37A7C5 is a light, moderate cyan. Relative luminance 0.325; OKLCH L 67.9% C 0.107 H 219.6°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#37A7C5
RGB	rgb(55, 167, 197)
HSL	hsl(193, 56%, 49%)
HSV	hsv(193, 72%, 77%)
CMYK	cmyk(72.1%, 15.2%, 0%, 22.7%)
CIE-LAB	lab(63.74, -21.34, -24.41)
CIE-LCH	lch(63.74, 32.42, 228.83°)
OKLab	oklab(67.88% -0.0824 -0.0682)
OKLCH	oklch(67.88% 0.107 219.6)
XYZ	xyz(25.4681, 32.4779, 57.7391)
Luminance	0.3248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7C5 #C55537

analogous

#37C59C #37A7C5 #3760C5

triadic

#37A7C5 #C537A7 #A7C537

tetradic

#37A7C5 #9C37C5 #C55537 #60C537

square

#37A7C5 #9C37C5 #C55537 #60C537

split-complementary

#37A7C5 #C53760 #C59C37

monochromatic

#1C5665 #2A7E95 #37A7C5 #65BDD4 #95D1E1

Accessibility & contrast

On white

2.80

#37A7C5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#37A7C5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7C5

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7C5	#FFFFFF	#000000	##000000
##37A7C5	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A2C7

Deuteranopia (green-blind)

#8194C5

Tritanopia (blue-blind)

#00B1B1

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a7c5;
/* rgb */ color: rgb(55, 167, 197);
/* oklch */ color: oklch(67.9% 0.107 219.6);

Tailwind

colors: {
  custom: {
    50: '#81c1d6',
    500: '#37a7c5',
    950: '#000000',
  },
}

SCSS

$custom: #37a7c5;
$custom-light: #81c1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7c5",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 197
  },
  "hsl": {
    "h": 192.676,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.67876,
    "c": 0.10691,
    "h": 219.6
  },
  "luminance": 0.32481
}

Semantic roles & 50–950 ramp

primary

#37A7C5

secondary

#CD998B

accent

#6848E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A7C5

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

Preview Lab → · Contrast checker → · Palette generator →