#3BB5D4#3BB5D4

#3BB5D4 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.0% C 0.113 H 218.6°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5D4
RGB	rgb(59, 181, 212)
HSL	hsl(192, 64%, 53%)
HSV	hsv(192, 72%, 83%)
CMYK	cmyk(72.2%, 14.6%, 0%, 16.9%)
CIE-LAB	lab(68.55, -23.24, -25.30)
CIE-LCH	lch(68.55, 34.36, 227.43°)
OKLab	oklab(71.96% -0.0885 -0.0706)
OKLCH	oklch(71.96% 0.113 218.6)
XYZ	xyz(30.2062, 38.7275, 68.1578)
Luminance	0.3873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5D4 #D45A3B

analogous

#3BD4A6 #3BB5D4 #3B68D4

triadic

#3BB5D4 #D43BB5 #B5D43B

tetradic

#3BB5D4 #A63BD4 #D45A3B #68D43B

square

#3BB5D4 #A63BD4 #D45A3B #68D43B

split-complementary

#3BB5D4 #D43B68 #D4A63B

monochromatic

#1B677A #2691AC #3BB5D4 #6DC8DF #9FDBEA

Accessibility & contrast

On white

2.40

#3BB5D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#3BB5D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5D4

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5D4	#FFFFFF	#000000	##000000
##3BB5D4	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B0D6

Deuteranopia (green-blind)

#8CA1D4

Tritanopia (blue-blind)

#00BFBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3bb5d4;
/* rgb */ color: rgb(59, 181, 212);
/* oklch */ color: oklch(72.0% 0.113 218.6);

Tailwind

colors: {
  custom: {
    50: '#86cbe1',
    500: '#3bb5d4',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5d4;
$custom-light: #86cbe1;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5d4",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 212
  },
  "hsl": {
    "h": 192.157,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.71956,
    "c": 0.11327,
    "h": 218.6
  },
  "luminance": 0.38731
}

Semantic roles & 50–950 ramp

primary

#3BB5D4

secondary

#D6A294

accent

#6241E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3BB5D4

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

Preview Lab → · Contrast checker → · Palette generator →