#3B9BB7#3B9BB7

#3B9BB7 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.097 H 220.7°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BB7
RGB	rgb(59, 155, 183)
HSL	hsl(194, 51%, 47%)
HSV	hsv(194, 68%, 72%)
CMYK	cmyk(67.8%, 15.3%, 0%, 28.2%)
CIE-LAB	lab(59.70, -18.97, -22.74)
CIE-LCH	lch(59.70, 29.61, 230.17°)
OKLab	oklab(64.49% -0.0737 -0.0634)
OKLCH	oklch(64.49% 0.097 220.7)
XYZ	xyz(22.0687, 27.7890, 48.9913)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BB7 #B7573B

analogous

#3BB795 #3B9BB7 #3B5DB7

triadic

#3B9BB7 #B73B9B #9BB73B

tetradic

#3B9BB7 #953BB7 #B7573B #5DB73B

square

#3B9BB7 #953BB7 #B7573B #5DB73B

split-complementary

#3B9BB7 #B73B5D #B7953B

monochromatic

#1D4D5A #2C7489 #3B9BB7 #63B5CD #91CBDC

Accessibility & contrast

On white

3.20

#3B9BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#3B9BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BB7

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BB7	#FFFFFF	#000000	##000000
##3B9BB7	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A97B8

Deuteranopia (green-blind)

#798AB7

Tritanopia (blue-blind)

#00A4A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3b9bb7;
/* rgb */ color: rgb(59, 155, 183);
/* oklch */ color: oklch(64.5% 0.097 220.7);

Tailwind

colors: {
  custom: {
    50: '#80b8cc',
    500: '#3b9bb7',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bb7;
$custom-light: #80b8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bb7",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 183
  },
  "hsl": {
    "h": 193.548,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.6449,
    "c": 0.09721,
    "h": 220.7
  },
  "luminance": 0.27791
}

Semantic roles & 50–950 ramp

primary

#3B9BB7

secondary

#C69687

accent

#6D4DDB

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3B9BB7

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

Preview Lab → · Contrast checker → · Palette generator →