#3BB1D3#3BB1D3

#3BB1D3 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.0% C 0.113 H 221.2°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3BB1D3
RGB	rgb(59, 177, 211)
HSL	hsl(193, 63%, 53%)
HSV	hsv(193, 72%, 83%)
CMYK	cmyk(72%, 16.1%, 0%, 17.3%)
CIE-LAB	lab(67.33, -21.51, -26.63)
CIE-LCH	lch(67.33, 34.23, 231.07°)
OKLab	oklab(70.96% -0.085 -0.0744)
OKLCH	oklch(70.96% 0.113 221.2)
XYZ	xyz(29.2788, 37.0738, 67.2283)
Luminance	0.3708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB1D3 #D35D3B

analogous

#3BD3A9 #3BB1D3 #3B65D3

triadic

#3BB1D3 #D33BB1 #B1D33B

tetradic

#3BB1D3 #A93BD3 #D35D3B #65D33B

square

#3BB1D3 #A93BD3 #D35D3B #65D33B

split-complementary

#3BB1D3 #D33B65 #D3A93B

monochromatic

#1B6479 #268DAB #3BB1D3 #6DC5DE #9FD9E9

Accessibility & contrast

On white

2.50

#3BB1D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#3BB1D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1D3

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB1D3	#FFFFFF	#000000	##000000
##3BB1D3	1.00	2.50	8.42	8.42
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DADD5

Deuteranopia (green-blind)

#889DD3

Tritanopia (blue-blind)

#00BCBC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3bb1d3;
/* rgb */ color: rgb(59, 177, 211);
/* oklch */ color: oklch(71.0% 0.113 221.2);

Tailwind

colors: {
  custom: {
    50: '#85c8e0',
    500: '#3bb1d3',
    950: '#000000',
  },
}

SCSS

$custom: #3bb1d3;
$custom-light: #85c8e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb1d3",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 211
  },
  "hsl": {
    "h": 193.421,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.70964,
    "c": 0.11299,
    "h": 221.2
  },
  "luminance": 0.37077
}

Semantic roles & 50–950 ramp

primary

#3BB1D3

secondary

#D6A394

accent

#6641E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3BB1D3

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

Preview Lab → · Contrast checker → · Palette generator →