#3BB1D4#3BB1D4

#3BB1D4 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.0% C 0.114 H 221.9°. Best body text is #000000 at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3BB1D4
RGB	rgb(59, 177, 212)
HSL	hsl(194, 64%, 53%)
HSV	hsv(194, 72%, 83%)
CMYK	cmyk(72.2%, 16.5%, 0%, 16.9%)
CIE-LAB	lab(67.37, -21.19, -27.12)
CIE-LCH	lch(67.37, 34.42, 232.00°)
OKLab	oklab(71.01% -0.0846 -0.0758)
OKLCH	oklch(71.01% 0.114 221.9)
XYZ	xyz(29.4045, 37.1241, 67.8905)
Luminance	0.3713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB1D4 #D45E3B

analogous

#3BD4AA #3BB1D4 #3B65D4

triadic

#3BB1D4 #D43BB1 #B1D43B

tetradic

#3BB1D4 #AA3BD4 #D45E3B #65D43B

square

#3BB1D4 #AA3BD4 #D45E3B #65D43B

split-complementary

#3BB1D4 #D43B65 #D4AA3B

monochromatic

#1B647A #268DAC #3BB1D4 #6DC5DF #9FD9EA

Accessibility & contrast

On white

2.49

#3BB1D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.43

#3BB1D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1D4

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB1D4	#FFFFFF	#000000	##000000
##3BB1D4	1.00	2.49	8.43	8.43
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.43	21.00	1.00	1.00
##000000	8.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CADD6

Deuteranopia (green-blind)

#889DD4

Tritanopia (blue-blind)

#00BCBC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3bb1d4;
/* rgb */ color: rgb(59, 177, 212);
/* oklch */ color: oklch(71.0% 0.114 221.9);

Tailwind

colors: {
  custom: {
    50: '#85c8e1',
    500: '#3bb1d4',
    950: '#000000',
  },
}

SCSS

$custom: #3bb1d4;
$custom-light: #85c8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb1d4",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 212
  },
  "hsl": {
    "h": 193.725,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.71006,
    "c": 0.11363,
    "h": 221.9
  },
  "luminance": 0.37128
}

Semantic roles & 50–950 ramp

primary

#3BB1D4

secondary

#D6A494

accent

#6741E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3BB1D4

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

Preview Lab → · Contrast checker → · Palette generator →