#3F4E47#3F4E47
#3F4E47 is a dark, muted teal. Relative luminance 0.070; OKLCH L 40.9% C 0.022 H 165.3°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).
Color values
| HEX | #3F4E47 |
|---|---|
| RGB | rgb(63, 78, 71) |
| HSL | hsl(152, 11%, 28%) |
| HSV | hsv(152, 19%, 31%) |
| CMYK | cmyk(19.2%, 0%, 9%, 69.4%) |
| CIE-LAB | lab(31.72, -7.57, 2.18) |
| CIE-LCH | lch(31.72, 7.88, 163.94°) |
| OKLab | oklab(40.86% -0.0216 0.0056) |
| OKLCH | oklch(40.86% 0.022 165.3) |
| XYZ | xyz(5.9113, 6.9603, 6.9920) |
| Luminance | 0.0696 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Darkslategray
#2F4F4F
ΔE00 6.07
Charcoal Grey
#3C4142
ΔE00 8.05
Charcoal (survey)
#343837
ΔE00 9.22
Gunmetal (survey)
#536267
ΔE00 10.18
Onyx
#353839
ΔE00 10.30
Charcoal
#36454F
ΔE00 10.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F4E47 #4E3F46
analogous
#3F4E40 #3F4E47 #3F4D4E
triadic
#3F4E47 #473F4E #4E473F
tetradic
#3F4E47 #403F4E #4E3F46 #4D4E3F
square
#3F4E47 #403F4E #4E3F46 #4D4E3F
split-complementary
#3F4E47 #4E3F4D #4E403F
monochromatic
#0E110F #242C28 #3F4E47 #5A7066 #779185
Accessibility & contrast
On white
8.78
#3F4E47 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.39
#3F4E47 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F4E47
8.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F4E47 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F4E47 | 1.00 | 8.78 | 2.39 | 8.78 |
| #FFFFFF | 8.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D4C47
Deuteranopia (green-blind)
#4B4A47
Tritanopia (blue-blind)
#3C4E4C
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #3f4e47; /* rgb */ color: rgb(63, 78, 71); /* oklch */ color: oklch(40.9% 0.022 165.3);
Tailwind
colors: {
custom: {
50: '#747f7a',
500: '#3f4e47',
950: '#000000',
},
}SCSS
$custom: #3f4e47; $custom-light: #747f7a; $custom-dark: #000000;
JSON
{
"hex": "#3f4e47",
"rgb": {
"r": 63,
"g": 78,
"b": 71
},
"hsl": {
"h": 152,
"s": 10.638,
"l": 27.647
},
"oklch": {
"l": 0.40856,
"c": 0.02229,
"h": 165.3
},
"luminance": 0.0696
}Semantic roles & 50–950 ramp
primary
#3F4E47
secondary
#7D6C74
accent
#7492B4
background
#F7F7F7
surface
#EDEEED
border
#C8C9C8
text
#080A09
muted
#7B7C7B