#3BB9D3#3BB9D3

#3BB9D3 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 72.9% C 0.113 H 214.6°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3BB9D3
RGB	rgb(59, 185, 211)
HSL	hsl(190, 63%, 53%)
HSV	hsv(190, 72%, 83%)
CMYK	cmyk(72%, 12.3%, 0%, 17.3%)
CIE-LAB	lab(69.70, -25.58, -23.00)
CIE-LCH	lch(69.70, 34.40, 221.96°)
OKLab	oklab(72.87% -0.0928 -0.0641)
OKLCH	oklch(72.87% 0.113 214.6)
XYZ	xyz(30.9055, 40.3273, 67.7705)
Luminance	0.4033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB9D3 #D3553B

analogous

#3BD3A1 #3BB9D3 #3B6DD3

triadic

#3BB9D3 #D33BB9 #B9D33B

tetradic

#3BB9D3 #A13BD3 #D3553B #6DD33B

square

#3BB9D3 #A13BD3 #D3553B #6DD33B

split-complementary

#3BB9D3 #D33B6D #D3A13B

monochromatic

#1B6979 #2694AB #3BB9D3 #6DCBDE #9FDDE9

Accessibility & contrast

On white

2.32

#3BB9D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#3BB9D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB9D3

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB9D3	#FFFFFF	#000000	##000000
##3BB9D3	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B3D4

Deuteranopia (green-blind)

#91A4D3

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3bb9d3;
/* rgb */ color: rgb(59, 185, 211);
/* oklch */ color: oklch(72.9% 0.113 214.6);

Tailwind

colors: {
  custom: {
    50: '#86cee0',
    500: '#3bb9d3',
    950: '#000000',
  },
}

SCSS

$custom: #3bb9d3;
$custom-light: #86cee0;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb9d3",
  "rgb": {
    "r": 59,
    "g": 185,
    "b": 211
  },
  "hsl": {
    "h": 190.263,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72868,
    "c": 0.11281,
    "h": 214.6
  },
  "luminance": 0.40331
}

Semantic roles & 50–950 ramp

primary

#3BB9D3

secondary

#D69F94

accent

#5E41E6

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3BB9D3

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

Preview Lab → · Contrast checker → · Palette generator →