#3FA5BF#3FA5BF

#3FA5BF is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.4% C 0.100 H 217.9°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#3FA5BF
RGB	rgb(63, 165, 191)
HSL	hsl(192, 50%, 50%)
HSV	hsv(192, 67%, 75%)
CMYK	cmyk(67%, 13.6%, 0%, 25.1%)
CIE-LAB	lab(63.12, -21.06, -21.99)
CIE-LCH	lch(63.12, 30.45, 226.24°)
OKLab	oklab(67.36% -0.0787 -0.0613)
OKLCH	oklch(67.36% 0.1 217.9)
XYZ	xyz(24.9051, 31.7259, 54.0913)
Luminance	0.3173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA5BF #BF593F

analogous

#3FBF99 #3FA5BF #3F65BF

triadic

#3FA5BF #BF3FA5 #A5BF3F

tetradic

#3FA5BF #993FBF #BF593F #65BF3F

square

#3FA5BF #993FBF #BF593F #65BF3F

split-complementary

#3FA5BF #BF3F65 #BF993F

monochromatic

#215563 #307D91 #3FA5BF #6DBBCF #9BD0DE

Accessibility & contrast

On white

2.86

#3FA5BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#3FA5BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA5BF

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA5BF	#FFFFFF	#000000	##000000
##3FA5BF	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A0C0

Deuteranopia (green-blind)

#8293BF

Tritanopia (blue-blind)

#00AEAD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #3fa5bf;
/* rgb */ color: rgb(63, 165, 191);
/* oklch */ color: oklch(67.4% 0.100 217.9);

Tailwind

colors: {
  custom: {
    50: '#83c0d2',
    500: '#3fa5bf',
    950: '#000000',
  },
}

SCSS

$custom: #3fa5bf;
$custom-light: #83c0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa5bf",
  "rgb": {
    "r": 63,
    "g": 165,
    "b": 191
  },
  "hsl": {
    "h": 192.188,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.67362,
    "c": 0.09975,
    "h": 217.9
  },
  "luminance": 0.31729
}

Semantic roles & 50–950 ramp

primary

#3FA5BF

secondary

#CA9C90

accent

#6A4EDA

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3FA5BF

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

Preview Lab → · Contrast checker → · Palette generator →