#37ABD4#37ABD4

#37ABD4 is a light, moderate cyan. Relative luminance 0.347; OKLCH L 69.5% C 0.117 H 226.2°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#37ABD4
RGB	rgb(55, 171, 212)
HSL	hsl(196, 65%, 52%)
HSV	hsv(196, 74%, 83%)
CMYK	cmyk(74.1%, 19.3%, 0%, 16.9%)
CIE-LAB	lab(65.51, -18.55, -30.00)
CIE-LCH	lch(65.51, 35.28, 238.27°)
OKLab	oklab(69.49% -0.0806 -0.0841)
OKLCH	oklch(69.49% 0.117 226.2)
XYZ	xyz(28.0173, 34.6882, 67.4935)
Luminance	0.3469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABD4 #D46037

analogous

#37D4AF #37ABD4 #375CD4

triadic

#37ABD4 #D437AB #ABD437

tetradic

#37ABD4 #AF37D4 #D46037 #5CD437

square

#37ABD4 #AF37D4 #D46037 #5CD437

split-complementary

#37ABD4 #D4375C #D4AF37

monochromatic

#1A5F77 #2487A9 #37ABD4 #69C0DF #9CD5EA

Accessibility & contrast

On white

2.65

#37ABD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#37ABD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABD4

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABD4	#FFFFFF	#000000	##000000
##37ABD4	1.00	2.65	7.94	7.94
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A8D6

Deuteranopia (green-blind)

#8098D4

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #37abd4;
/* rgb */ color: rgb(55, 171, 212);
/* oklch */ color: oklch(69.5% 0.117 226.2);

Tailwind

colors: {
  custom: {
    50: '#83c4e1',
    500: '#37abd4',
    950: '#000000',
  },
}

SCSS

$custom: #37abd4;
$custom-light: #83c4e1;
$custom-dark: #000000;

JSON

{
  "hex": "#37abd4",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 212
  },
  "hsl": {
    "h": 195.669,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.69486,
    "c": 0.11652,
    "h": 226.2
  },
  "luminance": 0.34692
}

Semantic roles & 50–950 ramp

primary

#37ABD4

secondary

#D6A391

accent

#6C40E8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ABD4

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

Preview Lab → · Contrast checker → · Palette generator →