#3FA3BB#3FA3BB

#3FA3BB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 66.7% C 0.097 H 216.6°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#3FA3BB
RGB	rgb(63, 163, 187)
HSL	hsl(192, 50%, 49%)
HSV	hsv(192, 66%, 73%)
CMYK	cmyk(66.3%, 12.8%, 0%, 26.7%)
CIE-LAB	lab(62.37, -21.27, -20.90)
CIE-LCH	lch(62.37, 29.82, 224.49°)
OKLab	oklab(66.72% -0.0782 -0.0582)
OKLCH	oklch(66.72% 0.097 216.6)
XYZ	xyz(24.1130, 30.8364, 51.6853)
Luminance	0.3084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA3BB #BB573F

analogous

#3FBB95 #3FA3BB #3F65BB

triadic

#3FA3BB #BB3FA3 #A3BB3F

tetradic

#3FA3BB #953FBB #BB573F #65BB3F

square

#3FA3BB #953FBB #BB573F #65BB3F

split-complementary

#3FA3BB #BB3F65 #BB953F

monochromatic

#20535F #307B8D #3FA3BB #6ABACD #98CFDC

Accessibility & contrast

On white

2.93

#3FA3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#3FA3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA3BB

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA3BB	#FFFFFF	#000000	##000000
##3FA3BB	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939EBC

Deuteranopia (green-blind)

#8191BB

Tritanopia (blue-blind)

#00ACAA

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #3fa3bb;
/* rgb */ color: rgb(63, 163, 187);
/* oklch */ color: oklch(66.7% 0.097 216.6);

Tailwind

colors: {
  custom: {
    50: '#83becf',
    500: '#3fa3bb',
    950: '#000000',
  },
}

SCSS

$custom: #3fa3bb;
$custom-light: #83becf;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa3bb",
  "rgb": {
    "r": 63,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 191.613,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.66715,
    "c": 0.09748,
    "h": 216.6
  },
  "luminance": 0.30839
}

Semantic roles & 50–950 ramp

primary

#3FA3BB

secondary

#C8998E

accent

#694FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #3FA3BB

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

Preview Lab → · Contrast checker → · Palette generator →