#3F4A4E#3F4A4E
#3F4A4E is a dark, near-neutral cyan. Relative luminance 0.065; OKLCH L 40.1% C 0.016 H 221.7°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).
Color values
| HEX | #3F4A4E |
|---|---|
| RGB | rgb(63, 74, 78) |
| HSL | hsl(196, 11%, 28%) |
| HSV | hsv(196, 19%, 31%) |
| CMYK | cmyk(19.2%, 5.1%, 0%, 69.4%) |
| CIE-LAB | lab(30.65, -3.40, -3.86) |
| CIE-LCH | lch(30.65, 5.15, 228.63°) |
| OKLab | oklab(40.08% -0.0117 -0.0104) |
| OKLCH | oklch(40.08% 0.016 221.7) |
| XYZ | xyz(5.8735, 6.5042, 8.1522) |
| Luminance | 0.0650 (WCAG relative) |
| Temperature | neutral |
| Family | cyan |
Closest named colors
Charcoal
#36454F
ΔE00 3.69
Charcoal Grey
#3C4142
ΔE00 3.94
Onyx
#353839
ΔE00 6.69
Charcoal (survey)
#343837
ΔE00 6.84
Gunmetal
#2A3439
ΔE00 7.18
Dark Grey
#363737
ΔE00 7.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F4A4E #4E433F
analogous
#3F4E4A #3F4A4E #3F424E
triadic
#3F4A4E #4E3F4A #4A4E3F
tetradic
#3F4A4E #4A3F4E #4E433F #424E3F
square
#3F4A4E #4A3F4E #4E433F #424E3F
split-complementary
#3F4A4E #4E3F42 #4E4A3F
monochromatic
#0E1011 #242A2C #3F4A4E #5A6A70 #778A91
Accessibility & contrast
On white
9.13
#3F4A4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#3F4A4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F4A4E
9.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F4A4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F4A4E | 1.00 | 9.13 | 2.30 | 9.13 |
| #FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#48494E
Deuteranopia (green-blind)
#45474E
Tritanopia (blue-blind)
#3B4B4B
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #3f4a4e; /* rgb */ color: rgb(63, 74, 78); /* oklch */ color: oklch(40.1% 0.016 221.7);
Tailwind
colors: {
custom: {
50: '#747c7f',
500: '#3f4a4e',
950: '#000000',
},
}SCSS
$custom: #3f4a4e; $custom-light: #747c7f; $custom-dark: #000000;
JSON
{
"hex": "#3f4a4e",
"rgb": {
"r": 63,
"g": 74,
"b": 78
},
"hsl": {
"h": 196,
"s": 10.638,
"l": 27.647
},
"oklch": {
"l": 0.40084,
"c": 0.0157,
"h": 221.7
},
"luminance": 0.06504
}Semantic roles & 50–950 ramp
primary
#3F4A4E
secondary
#7D706C
accent
#8574B4
background
#F7F7F7
surface
#EDEEEE
border
#C8C9C9
text
#08090A
muted
#7B7B7C