#37A1CD#37A1CD

#37A1CD is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.8% C 0.114 H 230.0°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#37A1CD
RGB	rgb(55, 161, 205)
HSL	hsl(198, 60%, 51%)
HSV	hsv(198, 73%, 80%)
CMYK	cmyk(73.2%, 21.5%, 0%, 19.6%)
CIE-LAB	lab(62.26, -15.54, -31.14)
CIE-LCH	lch(62.26, 34.80, 243.48°)
OKLab	oklab(66.8% -0.0735 -0.0875)
OKLCH	oklch(66.8% 0.114 230)
XYZ	xyz(25.3354, 30.7068, 62.3375)
Luminance	0.3071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1CD #CD6337

analogous

#37CDAE #37A1CD #3756CD

triadic

#37A1CD #CD37A1 #A1CD37

tetradic

#37A1CD #AE37CD #CD6337 #56CD37

square

#37A1CD #AE37CD #CD6337 #56CD37

split-complementary

#37A1CD #CD3756 #CDAE37

monochromatic

#1C566E #287C9F #37A1CD #68B8D9 #99CFE5

Accessibility & contrast

On white

2.94

#37A1CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#37A1CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1CD

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1CD	#FFFFFF	#000000	##000000
##37A1CD	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9FCF

Deuteranopia (green-blind)

#7690CC

Tritanopia (blue-blind)

#00ADB0

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a1cd;
/* rgb */ color: rgb(55, 161, 205);
/* oklch */ color: oklch(66.8% 0.114 230.0);

Tailwind

colors: {
  custom: {
    50: '#82bcdc',
    500: '#37a1cd',
    950: '#000000',
  },
}

SCSS

$custom: #37a1cd;
$custom-light: #82bcdc;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1cd",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 205
  },
  "hsl": {
    "h": 197.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.66798,
    "c": 0.11423,
    "h": 230
  },
  "luminance": 0.3071
}

Semantic roles & 50–950 ramp

primary

#37A1CD

secondary

#D1A28F

accent

#7345E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A1CD

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

Preview Lab → · Contrast checker → · Palette generator →