#37A4C3#37A4C3

#37A4C3 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.1% C 0.106 H 220.8°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#37A4C3
RGB	rgb(55, 164, 195)
HSL	hsl(193, 56%, 49%)
HSV	hsv(193, 72%, 76%)
CMYK	cmyk(71.8%, 15.9%, 0%, 23.5%)
CIE-LAB	lab(62.76, -20.42, -24.79)
CIE-LCH	lch(62.76, 32.12, 230.51°)
OKLab	oklab(67.07% -0.0802 -0.0693)
OKLCH	oklch(67.07% 0.106 220.8)
XYZ	xyz(24.6973, 31.3004, 56.3591)
Luminance	0.3130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4C3 #C35637

analogous

#37C39C #37A4C3 #375EC3

triadic

#37A4C3 #C337A4 #A4C337

tetradic

#37A4C3 #9C37C3 #C35637 #5EC337

square

#37A4C3 #9C37C3 #C35637 #5EC337

split-complementary

#37A4C3 #C3375E #C39C37

monochromatic

#1C5464 #2A7C93 #37A4C3 #64BBD3 #94D0E1

Accessibility & contrast

On white

2.89

#37A4C3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#37A4C3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4C3

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4C3	#FFFFFF	#000000	##000000
##37A4C3	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A0C5

Deuteranopia (green-blind)

#7E92C3

Tritanopia (blue-blind)

#00AEAE

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #37a4c3;
/* rgb */ color: rgb(55, 164, 195);
/* oklch */ color: oklch(67.1% 0.106 220.8);

Tailwind

colors: {
  custom: {
    50: '#81bfd5',
    500: '#37a4c3',
    950: '#000000',
  },
}

SCSS

$custom: #37a4c3;
$custom-light: #81bfd5;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4c3",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 195
  },
  "hsl": {
    "h": 193.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.67068,
    "c": 0.10594,
    "h": 220.8
  },
  "luminance": 0.31303
}

Semantic roles & 50–950 ramp

primary

#37A4C3

secondary

#CC998A

accent

#6A49DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A4C3

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

Preview Lab → · Contrast checker → · Palette generator →