#3F717D#3F717D

#3F717D is a mid, muted cyan. Relative luminance 0.143; OKLCH L 51.8% C 0.057 H 215.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F717D
RGB	rgb(63, 113, 125)
HSL	hsl(192, 33%, 37%)
HSV	hsv(192, 50%, 49%)
CMYK	cmyk(49.6%, 9.6%, 0%, 51%)
CIE-LAB	lab(44.73, -13.34, -11.86)
CIE-LCH	lch(44.73, 17.85, 221.63°)
OKLab	oklab(51.83% -0.0467 -0.0327)
OKLCH	oklch(51.83% 0.057 215)
XYZ	xyz(11.6553, 14.3467, 21.5531)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F717D #7D4B3F

analogous

#3F7D6A #3F717D #3F527D

triadic

#3F717D #7D3F71 #717D3F

tetradic

#3F717D #6A3F7D #7D4B3F #527D3F

square

#3F717D #6A3F7D #7D4B3F #527D3F

split-complementary

#3F717D #7D3F52 #7D6A3F

monochromatic

#16272C #2A4C54 #3F717D #5496A6 #7AAFBC

Accessibility & contrast

On white

5.43

#3F717D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3F717D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F717D

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F717D	#FFFFFF	#000000	##FFFFFF
##3F717D	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#686E7E

Deuteranopia (green-blind)

#5F677D

Tritanopia (blue-blind)

#1E7675

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f717d;
/* rgb */ color: rgb(63, 113, 125);
/* oklch */ color: oklch(51.8% 0.057 215.0);

Tailwind

colors: {
  custom: {
    50: '#799aa2',
    500: '#3f717d',
    950: '#000000',
  },
}

SCSS

$custom: #3f717d;
$custom-light: #799aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f717d",
  "rgb": {
    "r": 63,
    "g": 113,
    "b": 125
  },
  "hsl": {
    "h": 191.613,
    "s": 32.979,
    "l": 36.863
  },
  "oklch": {
    "l": 0.51829,
    "c": 0.05706,
    "h": 215
  },
  "luminance": 0.14348
}

Semantic roles & 50–950 ramp

primary

#3F717D

secondary

#A67C71

accent

#735FC9

background

#F7F9FA

surface

#EEF2F3

border

#C9CCCD

text

#090E0F

muted

#7B7E7F

Preview Lab

Preview with #3F717D

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

Preview Lab → · Contrast checker → · Palette generator →