#3B9FBF#3B9FBF

#3B9FBF is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.8% C 0.102 H 223.0°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B9FBF
RGB	rgb(59, 159, 191)
HSL	hsl(195, 53%, 49%)
HSV	hsv(195, 69%, 75%)
CMYK	cmyk(69.1%, 16.8%, 0%, 25.1%)
CIE-LAB	lab(61.21, -18.52, -24.93)
CIE-LCH	lch(61.21, 31.05, 233.39°)
OKLab	oklab(65.8% -0.0747 -0.0696)
OKLCH	oklch(65.8% 0.102 223)
XYZ	xyz(23.6019, 29.4850, 53.7274)
Luminance	0.2949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9FBF #BF5B3B

analogous

#3BBF9D #3B9FBF #3B5DBF

triadic

#3B9FBF #BF3B9F #9FBF3B

tetradic

#3B9FBF #9D3BBF #BF5B3B #5DBF3B

square

#3B9FBF #9D3BBF #BF5B3B #5DBF3B

split-complementary

#3B9FBF #BF3B5D #BF9D3B

monochromatic

#1E5161 #2D7890 #3B9FBF #67B7D0 #96CDDF

Accessibility & contrast

On white

3.04

#3B9FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#3B9FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9FBF

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9FBF	#FFFFFF	#000000	##000000
##3B9FBF	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9BC1

Deuteranopia (green-blind)

#7A8EBF

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3b9fbf;
/* rgb */ color: rgb(59, 159, 191);
/* oklch */ color: oklch(65.8% 0.102 223.0);

Tailwind

colors: {
  custom: {
    50: '#81bbd2',
    500: '#3b9fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b9fbf;
$custom-light: #81bbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9fbf",
  "rgb": {
    "r": 59,
    "g": 159,
    "b": 191
  },
  "hsl": {
    "h": 194.545,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.65801,
    "c": 0.10211,
    "h": 223
  },
  "luminance": 0.29488
}

Semantic roles & 50–950 ramp

primary

#3B9FBF

secondary

#CA9B8C

accent

#6F4CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3B9FBF

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

Preview Lab → · Contrast checker → · Palette generator →