#3BB9D9#3BB9D9

#3BB9D9 is a light, moderate cyan. Relative luminance 0.406; OKLCH L 73.1% C 0.116 H 218.7°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#3BB9D9
RGB	rgb(59, 185, 217)
HSL	hsl(192, 68%, 54%)
HSV	hsv(192, 73%, 85%)
CMYK	cmyk(72.8%, 14.7%, 0%, 14.9%)
CIE-LAB	lab(69.92, -23.70, -25.95)
CIE-LCH	lch(69.92, 35.14, 227.60°)
OKLab	oklab(73.11% -0.0905 -0.0725)
OKLCH	oklch(73.11% 0.116 218.7)
XYZ	xyz(31.6717, 40.6337, 71.8061)
Luminance	0.4064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB9D9 #D95B3B

analogous

#3BD9AA #3BB9D9 #3B6AD9

triadic

#3BB9D9 #D93BB9 #B9D93B

tetradic

#3BB9D9 #AA3BD9 #D95B3B #6AD93B

square

#3BB9D9 #AA3BD9 #D95B3B #6AD93B

split-complementary

#3BB9D9 #D93B6A #D9AA3B

monochromatic

#196C81 #2397B4 #3BB9D9 #6ECBE3 #A2DEED

Accessibility & contrast

On white

2.30

#3BB9D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#3BB9D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB9D9

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB9D9	#FFFFFF	#000000	##000000
##3BB9D9	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B4DB

Deuteranopia (green-blind)

#8FA4D9

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #3bb9d9;
/* rgb */ color: rgb(59, 185, 217);
/* oklch */ color: oklch(73.1% 0.116 218.7);

Tailwind

colors: {
  custom: {
    50: '#87cee4',
    500: '#3bb9d9',
    950: '#000000',
  },
}

SCSS

$custom: #3bb9d9;
$custom-light: #87cee4;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb9d9",
  "rgb": {
    "r": 59,
    "g": 185,
    "b": 217
  },
  "hsl": {
    "h": 192.152,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.73114,
    "c": 0.11593,
    "h": 218.7
  },
  "luminance": 0.40637
}

Semantic roles & 50–950 ramp

primary

#3BB9D9

secondary

#DAA496

accent

#603DEA

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3BB9D9

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

Preview Lab → · Contrast checker → · Palette generator →