#3FB9D3#3FB9D3

#3FB9D3 is a light, moderate cyan. Relative luminance 0.405; OKLCH L 73.0% C 0.111 H 215.0°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#3FB9D3
RGB	rgb(63, 185, 211)
HSL	hsl(191, 63%, 54%)
HSV	hsv(191, 70%, 83%)
CMYK	cmyk(70.1%, 12.3%, 0%, 17.3%)
CIE-LAB	lab(69.79, -25.06, -22.85)
CIE-LCH	lch(69.79, 33.91, 222.37°)
OKLab	oklab(72.97% -0.0911 -0.0637)
OKLCH	oklch(72.97% 0.111 215)
XYZ	xyz(31.1518, 40.4542, 67.7820)
Luminance	0.4046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB9D3 #D3593F

analogous

#3FD3A3 #3FB9D3 #3F6FD3

triadic

#3FB9D3 #D33FB9 #B9D33F

tetradic

#3FB9D3 #A33FD3 #D3593F #6FD33F

square

#3FB9D3 #A33FD3 #D3593F #6FD33F

split-complementary

#3FB9D3 #D33F6F #D3A33F

monochromatic

#1C6B7B #2896AD #3FB9D3 #71CBDE #A3DDEA

Accessibility & contrast

On white

2.31

#3FB9D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#3FB9D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9D3

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB9D3	#FFFFFF	#000000	##000000
##3FB9D3	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B3D4

Deuteranopia (green-blind)

#92A4D3

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3fb9d3;
/* rgb */ color: rgb(63, 185, 211);
/* oklch */ color: oklch(73.0% 0.111 215.0);

Tailwind

colors: {
  custom: {
    50: '#87cee0',
    500: '#3fb9d3',
    950: '#000000',
  },
}

SCSS

$custom: #3fb9d3;
$custom-light: #87cee0;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb9d3",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 211
  },
  "hsl": {
    "h": 190.541,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.72966,
    "c": 0.1111,
    "h": 215
  },
  "luminance": 0.40458
}

Semantic roles & 50–950 ramp

primary

#3FB9D3

secondary

#D7A297

accent

#5F42E6

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB9D3

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

Preview Lab → · Contrast checker → · Palette generator →