#37A7C4#37A7C4

#37A7C4 is a light, moderate cyan. Relative luminance 0.324; OKLCH L 67.8% C 0.106 H 218.9°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#37A7C4
RGB	rgb(55, 167, 196)
HSL	hsl(192, 56%, 49%)
HSV	hsv(192, 72%, 77%)
CMYK	cmyk(71.9%, 14.8%, 0%, 23.1%)
CIE-LAB	lab(63.70, -21.66, -23.91)
CIE-LCH	lch(63.70, 32.26, 227.82°)
OKLab	oklab(67.83% -0.0828 -0.0667)
OKLCH	oklch(67.83% 0.106 218.9)
XYZ	xyz(25.3539, 32.4322, 57.1377)
Luminance	0.3244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7C4 #C45437

analogous

#37C49A #37A7C4 #3761C4

triadic

#37A7C4 #C437A7 #A7C437

tetradic

#37A7C4 #9A37C4 #C45437 #61C437

square

#37A7C4 #9A37C4 #C45437 #61C437

split-complementary

#37A7C4 #C43761 #C49A37

monochromatic

#1C5664 #2A7E94 #37A7C4 #65BDD4 #94D1E1

Accessibility & contrast

On white

2.80

#37A7C4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#37A7C4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7C4

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7C4	#FFFFFF	#000000	##000000
##37A7C4	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A2C6

Deuteranopia (green-blind)

#8194C4

Tritanopia (blue-blind)

#00B1B0

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a7c4;
/* rgb */ color: rgb(55, 167, 196);
/* oklch */ color: oklch(67.8% 0.106 218.9);

Tailwind

colors: {
  custom: {
    50: '#81c1d6',
    500: '#37a7c4',
    950: '#000000',
  },
}

SCSS

$custom: #37a7c4;
$custom-light: #81c1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7c4",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 196
  },
  "hsl": {
    "h": 192.34,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.67834,
    "c": 0.10632,
    "h": 218.9
  },
  "luminance": 0.32435
}

Semantic roles & 50–950 ramp

primary

#37A7C4

secondary

#CC988B

accent

#6748DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A7C4

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

Preview Lab → · Contrast checker → · Palette generator →