#37ABD3#37ABD3

#37ABD3 is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.4% C 0.116 H 225.6°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#37ABD3
RGB	rgb(55, 171, 211)
HSL	hsl(195, 64%, 52%)
HSV	hsv(195, 74%, 83%)
CMYK	cmyk(73.9%, 19%, 0%, 17.3%)
CIE-LAB	lab(65.47, -18.88, -29.51)
CIE-LCH	lch(65.47, 35.04, 237.39°)
OKLab	oklab(69.44% -0.081 -0.0827)
OKLCH	oklch(69.44% 0.116 225.6)
XYZ	xyz(27.8915, 34.6379, 66.8312)
Luminance	0.3464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABD3 #D35F37

analogous

#37D3AD #37ABD3 #375DD3

triadic

#37ABD3 #D337AB #ABD337

tetradic

#37ABD3 #AD37D3 #D35F37 #5DD337

square

#37ABD3 #AD37D3 #D35F37 #5DD337

split-complementary

#37ABD3 #D3375D #D3AD37

monochromatic

#1A5E76 #2586A8 #37ABD3 #69C0DE #9BD5E9

Accessibility & contrast

On white

2.65

#37ABD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#37ABD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABD3

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABD3	#FFFFFF	#000000	##000000
##37ABD3	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A8D5

Deuteranopia (green-blind)

#8098D3

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #37abd3;
/* rgb */ color: rgb(55, 171, 211);
/* oklch */ color: oklch(69.4% 0.116 225.6);

Tailwind

colors: {
  custom: {
    50: '#83c4e0',
    500: '#37abd3',
    950: '#000000',
  },
}

SCSS

$custom: #37abd3;
$custom-light: #83c4e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37abd3",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 211
  },
  "hsl": {
    "h": 195.385,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.69442,
    "c": 0.11575,
    "h": 225.6
  },
  "luminance": 0.34641
}

Semantic roles & 50–950 ramp

primary

#37ABD3

secondary

#D5A291

accent

#6B41E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ABD3

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

Preview Lab → · Contrast checker → · Palette generator →