#3F727D#3F727D

#3F727D is a mid, muted cyan. Relative luminance 0.146; OKLCH L 52.1% C 0.057 H 213.2°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F727D
RGB	rgb(63, 114, 125)
HSL	hsl(191, 33%, 37%)
HSV	hsv(191, 50%, 49%)
CMYK	cmyk(49.6%, 8.8%, 0%, 51%)
CIE-LAB	lab(45.04, -13.91, -11.38)
CIE-LCH	lch(45.04, 17.97, 219.30°)
OKLab	oklab(52.08% -0.048 -0.0314)
OKLCH	oklch(52.08% 0.057 213.2)
XYZ	xyz(11.7675, 14.5711, 21.5905)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F727D #7D4A3F

analogous

#3F7D69 #3F727D #3F537D

triadic

#3F727D #7D3F72 #727D3F

tetradic

#3F727D #693F7D #7D4A3F #537D3F

square

#3F727D #693F7D #7D4A3F #537D3F

split-complementary

#3F727D #7D3F53 #7D693F

monochromatic

#16282C #2A4D54 #3F727D #5497A6 #7AB0BC

Accessibility & contrast

On white

5.36

#3F727D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3F727D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F727D

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F727D	#FFFFFF	#000000	##FFFFFF
##3F727D	1.00	5.36	3.91	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696F7E

Deuteranopia (green-blind)

#60677D

Tritanopia (blue-blind)

#1E7775

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f727d;
/* rgb */ color: rgb(63, 114, 125);
/* oklch */ color: oklch(52.1% 0.057 213.2);

Tailwind

colors: {
  custom: {
    50: '#799aa2',
    500: '#3f727d',
    950: '#000000',
  },
}

SCSS

$custom: #3f727d;
$custom-light: #799aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f727d",
  "rgb": {
    "r": 63,
    "g": 114,
    "b": 125
  },
  "hsl": {
    "h": 190.645,
    "s": 32.979,
    "l": 36.863
  },
  "oklch": {
    "l": 0.52081,
    "c": 0.05737,
    "h": 213.2
  },
  "luminance": 0.14572
}

Semantic roles & 50–950 ramp

primary

#3F727D

secondary

#A67B71

accent

#725FC9

background

#F7F9F9

surface

#EEF2F2

border

#C9CCCC

text

#090E0F

muted

#7B7E7E

Preview Lab

Preview with #3F727D

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

Preview Lab → · Contrast checker → · Palette generator →