#515151#515151
#515151 is a dark, near-neutral grey. Relative luminance 0.082; OKLCH L 43.5% C 0.000 H 0.0°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).
Color values
| HEX | #515151 |
|---|---|
| RGB | rgb(81, 81, 81) |
| HSL | hsl(0, 0%, 32%) |
| HSV | hsv(0, 0%, 32%) |
| CMYK | cmyk(0%, 0%, 0%, 68.2%) |
| CIE-LAB | lab(34.45, -0.00, 0.00) |
| CIE-LCH | lch(34.45, 0.00, 168.69°) |
| OKLab | oklab(43.5% 0 0) |
| OKLCH | oklch(43.5% 0 0) |
| XYZ | xyz(7.8207, 8.2283, 8.9592) |
| Luminance | 0.0823 (WCAG relative) |
| Temperature | neutral |
| Family | grey |
Closest named colors
Charcoal Grey
#3C4142
ΔE00 6.40
Gunmetal (survey)
#536267
ΔE00 8.65
Dimgray
#696969
ΔE00 8.69
Onyx
#353839
ΔE00 8.72
Dark Grey
#363737
ΔE00 8.77
Slate Grey
#59656D
ΔE00 9.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515151 #515151
analogous
#515151 #515151 #515151
triadic
#515151 #515151 #515151
tetradic
#515151 #515151 #515151 #515151
square
#515151 #515151 #515151 #515151
split-complementary
#515151 #515151 #515151
monochromatic
#141414 #323232 #515151 #707070 #8E8E8E
Accessibility & contrast
On white
7.94
#515151 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#515151 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #515151
7.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515151 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515151 | 1.00 | 7.94 | 2.65 | 7.94 |
| #FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#515151
Deuteranopia (green-blind)
#515151
Tritanopia (blue-blind)
#515151
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #515151; /* rgb */ color: rgb(81, 81, 81); /* oklch */ color: oklch(43.5% 0.000 0.0);
Tailwind
colors: {
custom: {
50: '#818181',
500: '#515151',
950: '#000000',
},
}SCSS
$custom: #515151; $custom-light: #818181; $custom-dark: #000000;
JSON
{
"hex": "#515151",
"rgb": {
"r": 81,
"g": 81,
"b": 81
},
"hsl": {
"h": 0,
"s": 0,
"l": 31.765
},
"oklch": {
"l": 0.43495,
"c": 0,
"h": 0
},
"luminance": 0.08228
}Semantic roles & 50–950 ramp
primary
#515151
secondary
#7F7F7F
accent
#A9A97E
background
#F7F7F7
surface
#EEEEEE
border
#C9C9C9
text
#0A0A0A
muted
#7C7C7C