#3F4E50#3F4E50

#3F4E50 is a dark, near-neutral teal. Relative luminance 0.071; OKLCH L 41.2% C 0.019 H 206.4°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E50
RGB	rgb(63, 78, 80)
HSL	hsl(187, 12%, 28%)
HSV	hsv(187, 21%, 31%)
CMYK	cmyk(21.2%, 2.5%, 0%, 68.6%)
CIE-LAB	lab(32.00, -5.38, -3.15)
CIE-LCH	lch(32.00, 6.23, 210.32°)
OKLab	oklab(41.17% -0.0172 -0.0085)
OKLCH	oklch(41.17% 0.019 206.4)
XYZ	xyz(6.2219, 7.0845, 8.6275)
Luminance	0.0708 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E50 #50413F

analogous

#3F5049 #3F4E50 #3F4550

triadic

#3F4E50 #503F4E #4E503F

tetradic

#3F4E50 #493F50 #50413F #45503F

square

#3F4E50 #493F50 #50413F #45503F

split-complementary

#3F4E50 #503F45 #50493F

monochromatic

#0D1111 #242D2E #3F4E50 #5A6F72 #769093

Accessibility & contrast

On white

8.69

#3F4E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3F4E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E50

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E50	#FFFFFF	#000000	##FFFFFF
##3F4E50	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4D50

Deuteranopia (green-blind)

#484A50

Tritanopia (blue-blind)

#3A4F4F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f4e50;
/* rgb */ color: rgb(63, 78, 80);
/* oklch */ color: oklch(41.2% 0.019 206.4);

Tailwind

colors: {
  custom: {
    50: '#747f81',
    500: '#3f4e50',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e50;
$custom-light: #747f81;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e50",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 80
  },
  "hsl": {
    "h": 187.059,
    "s": 11.888,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41173,
    "c": 0.01924,
    "h": 206.4
  },
  "luminance": 0.07085
}

Semantic roles & 50–950 ramp

primary

#3F4E50

secondary

#7F6E6C

accent

#7B73B5

background

#F7F7F7

surface

#EDEEEE

border

#C8C9C9

text

#080A0A

muted

#7B7C7C

Preview Lab

Preview with #3F4E50

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

Preview Lab → · Contrast checker → · Palette generator →