#3F6F79#3F6F79

#3F6F79 is a mid, muted cyan. Relative luminance 0.138; OKLCH L 51.2% C 0.054 H 212.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F6F79
RGB	rgb(63, 111, 121)
HSL	hsl(190, 32%, 36%)
HSV	hsv(190, 48%, 47%)
CMYK	cmyk(47.9%, 8.3%, 0%, 52.5%)
CIE-LAB	lab(43.95, -13.40, -10.63)
CIE-LCH	lch(43.95, 17.10, 218.42°)
OKLab	oklab(51.16% -0.0459 -0.0293)
OKLCH	oklch(51.16% 0.054 212.5)
XYZ	xyz(11.1842, 13.8052, 20.1608)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6F79 #79493F

analogous

#3F7966 #3F6F79 #3F5279

triadic

#3F6F79 #793F6F #6F793F

tetradic

#3F6F79 #663F79 #79493F #52793F

square

#3F6F79 #663F79 #79493F #52793F

split-complementary

#3F6F79 #793F52 #79663F

monochromatic

#152529 #2A4A51 #3F6F79 #5494A1 #79AEB9

Accessibility & contrast

On white

5.58

#3F6F79 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3F6F79 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6F79

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6F79	#FFFFFF	#000000	##FFFFFF
##3F6F79	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676C7A

Deuteranopia (green-blind)

#5E6579

Tritanopia (blue-blind)

#227372

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f6f79;
/* rgb */ color: rgb(63, 111, 121);
/* oklch */ color: oklch(51.2% 0.054 212.5);

Tailwind

colors: {
  custom: {
    50: '#78989f',
    500: '#3f6f79',
    950: '#000000',
  },
}

SCSS

$custom: #3f6f79;
$custom-light: #78989f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6f79",
  "rgb": {
    "r": 63,
    "g": 111,
    "b": 121
  },
  "hsl": {
    "h": 190.345,
    "s": 31.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.05445,
    "h": 212.5
  },
  "luminance": 0.13806
}

Semantic roles & 50–950 ramp

primary

#3F6F79

secondary

#A47970

accent

#7260C8

background

#F7F9F9

surface

#EDF2F2

border

#C8CCCC

text

#090D0E

muted

#7B7E7E

Preview Lab

Preview with #3F6F79

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

Preview Lab → · Contrast checker → · Palette generator →