#37A1C8#37A1C8

#37A1C8 is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.6% C 0.110 H 226.9°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#37A1C8
RGB	rgb(55, 161, 200)
HSL	hsl(196, 57%, 50%)
HSV	hsv(196, 73%, 78%)
CMYK	cmyk(72.5%, 19.5%, 0%, 21.6%)
CIE-LAB	lab(62.06, -17.20, -28.66)
CIE-LCH	lch(62.06, 33.43, 239.03°)
OKLab	oklab(66.57% -0.0753 -0.0803)
OKLCH	oklch(66.57% 0.11 226.9)
XYZ	xyz(24.7415, 30.4692, 59.2096)
Luminance	0.3047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1C8 #C85E37

analogous

#37C8A7 #37A1C8 #3758C8

triadic

#37A1C8 #C837A1 #A1C837

tetradic

#37A1C8 #A737C8 #C85E37 #58C837

square

#37A1C8 #A737C8 #C85E37 #58C837

split-complementary

#37A1C8 #C83758 #C8A737

monochromatic

#1D5468 #2A7A98 #37A1C8 #67B8D5 #97CEE2

Accessibility & contrast

On white

2.96

#37A1C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#37A1C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1C8

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1C8	#FFFFFF	#000000	##000000
##37A1C8	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ECA

Deuteranopia (green-blind)

#7890C8

Tritanopia (blue-blind)

#00ACAE

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a1c8;
/* rgb */ color: rgb(55, 161, 200);
/* oklch */ color: oklch(66.6% 0.110 226.9);

Tailwind

colors: {
  custom: {
    50: '#81bdd8',
    500: '#37a1c8',
    950: '#000000',
  },
}

SCSS

$custom: #37a1c8;
$custom-light: #81bdd8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1c8",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 200
  },
  "hsl": {
    "h": 196.138,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.66569,
    "c": 0.11012,
    "h": 226.9
  },
  "luminance": 0.30472
}

Semantic roles & 50–950 ramp

primary

#37A1C8

secondary

#CE9E8D

accent

#7148E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A1C8

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

Preview Lab → · Contrast checker → · Palette generator →