#37A1C7#37A1C7

#37A1C7 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.5% C 0.109 H 226.2°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#37A1C7
RGB	rgb(55, 161, 199)
HSL	hsl(196, 57%, 50%)
HSV	hsv(196, 72%, 78%)
CMYK	cmyk(72.4%, 19.1%, 0%, 22%)
CIE-LAB	lab(62.02, -17.53, -28.17)
CIE-LCH	lch(62.02, 33.18, 238.10°)
OKLab	oklab(66.52% -0.0757 -0.0789)
OKLCH	oklch(66.52% 0.109 226.2)
XYZ	xyz(24.6250, 30.4226, 58.5961)
Luminance	0.3043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1C7 #C75D37

analogous

#37C7A5 #37A1C7 #3759C7

triadic

#37A1C7 #C737A1 #A1C737

tetradic

#37A1C7 #A537C7 #C75D37 #59C737

square

#37A1C7 #A537C7 #C75D37 #59C737

split-complementary

#37A1C7 #C73759 #C7A537

monochromatic

#1C5367 #2A7A97 #37A1C7 #66B8D5 #96CEE2

Accessibility & contrast

On white

2.96

#37A1C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#37A1C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1C7

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1C7	#FFFFFF	#000000	##000000
##37A1C7	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)

#8C9EC9

Deuteranopia (green-blind)

#7990C7

Tritanopia (blue-blind)

#00ACAD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a1c7;
/* rgb */ color: rgb(55, 161, 199);
/* oklch */ color: oklch(66.5% 0.109 226.2);

Tailwind

colors: {
  custom: {
    50: '#81bdd8',
    500: '#37a1c7',
    950: '#000000',
  },
}

SCSS

$custom: #37a1c7;
$custom-light: #81bdd8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1c7",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 199
  },
  "hsl": {
    "h": 195.833,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.66524,
    "c": 0.10934,
    "h": 226.2
  },
  "luminance": 0.30425
}

Semantic roles & 50–950 ramp

primary

#37A1C7

secondary

#CD9E8C

accent

#7048E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A1C7

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

Preview Lab → · Contrast checker → · Palette generator →