#858f8f
a balanced, muted gray · neutral · closest name: Gray
At a glance
Every number on this page in one read: what #858f8f is made of, how bright it looks, and which way it leans.
Near-neutral, so temperature is a whisper rather than a statement — the tinted siblings below show which way it can lean.
Every format
| HEX | #858f8f |
| RGB | rgb(133, 143, 143) |
| HSL | hsl(180, 4%, 54%) |
| CMYK | cmyk(7%, 0%, 0%, 44%) |
| LAB | lab(58.6 -3.6 -1.3) |
| LCH | lch(58.6 3.8 199.0) |
| OKLCH | oklch(0.642 0.012 196.9) |
| Decimal | 8753039 |
| Display P3 | color(display-p3 0.522 0.561 0.561) |
Copy-ready code
/* CSS */
color: #858f8f;
background-color: #858f8f;
/* Tailwind (arbitrary) */
class="text-[#858f8f] bg-[#858f8f]"
/* SCSS */
$brand: #858f8f;
/* SwiftUI */
Color(red: 0.522, green: 0.561, blue: 0.561)
/* Android */
Color.parseColor("#858f8f")
/* Flutter */
Color(0xFF858F8F)
/* Python / OpenCV (BGR) */
(143, 143, 133)Best text color
Only one of black and white can be right. This is the one, with the number that proves it.
Accessibility — WCAG contrast
Color scale — 50 to 950
A Tailwind-shaped ramp built around this exact hex. #858f8f is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.
:root {
--brand-50: #F7F8F8;
--brand-100: #EFF0F0;
--brand-200: #DDDFDF;
--brand-300: #C4C9C9;
--brand-400: #A7AEAE;
--brand-500: #858f8f;
--brand-600: #758080;
--brand-700: #626A6A;
--brand-800: #4E5555;
--brand-900: #3B4040;
--brand-950: #252828;
--brand: #858f8f;
--brand-ink: #000000;
}Colors that work with #858f8f
Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.
Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.
Lightness flips, hue holds. The accent stays the anchor in both themes.
How to use #858f8f
Derived from its contrast, chroma and lightness — not from taste.
- ✓Headings from 24px up on white
- ✓Text and icons on dark surfaces
- ✓Borders, dividers and quiet backgrounds
- ✓Long-form reading surfaces
- ✓Neutral UI chrome and typography
- ⚠Small text on white — under 4.5:1
- ⚠Pairing with a same-lightness hue — edges vibrate
Similar colors
One move away from this hex in each direction. Every swatch is its own page.
Color relationships
The wheel positions with their names attached, so you can grab the one you actually need.
| Complementary | #8F8585 | Directly opposite — maximum tension | |
| Analogous left | #858F8A | Neighbour, quieter | |
| Analogous right | #858A8F | Neighbour, quieter | |
| Split-complement 1 | #8F858A | Contrast without the clash | |
| Split-complement 2 | #8F8A85 | Contrast without the clash | |
| Triadic 1 | #8F858F | Even thirds — balanced and loud | |
| Triadic 2 | #8F8F85 | Even thirds — balanced and loud | |
| Tetradic | #8A858F | Fourth corner of the square scheme |
RGB percentages
CMYK percentages
Color previews
#858f8f text on a black background
contrast 6.32:1
#858f8f text on a white background
contrast 3.32:1
CSS3 live lab
The quick brown fox
color: #858f8f;
background-color: #858f8f;
Glowing headline
text-shadow: 2px 2px 8px #858f8f;
Soft neon halo
text-shadow: 0 0 14px rgba(133, 143, 143, 0.45);
box-shadow: 0 12px 32px -8px rgba(133, 143, 143, 0.45);
border: 3px solid #858f8f; background: linear-gradient(135deg, #858f8f, #85888F);
Monochromatic scale
Palettes built from #858f8f
Shades — darker
Tints — lighter
Color harmonies
Nearest named colors
Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.
Closest color with a full write-up: Gray (#808080) — ΔE2000 6.8 away, with its history, psychology and brand usage.
#858f8f in the real world
Where a color in this family tends to land, and the interface roles it is usually asked to play.
Converts to four-color process without much drama. Proof it anyway.
#858f8f, answered
What color is #858f8f?
#858f8f is a balanced muted gray, closest to Gray (ΔE2000 6.8). It sits at 180° on the hue wheel with 4% saturation and 54% lightness, which reads as neutral.
What is the RGB value of #858f8f?
rgb(133, 143, 143) — 133 red, 143 green and 143 blue out of 255, or 52.2% / 56.1% / 56.1% by channel.
Is #858f8f a light or a dark color?
It is a mid-tone. Relative luminance is 0.2661 and perceived brightness is 55%, so black text on it reaches 6.32:1.
Should I use black or white text on #858f8f?
Black. It scores 6.32:1 against #858f8f, versus 3.32:1 for white — AA at any size.
What is the complementary color of #858f8f?
#8F8585 sits directly opposite on the wheel. Softer options are the split-complements #8F858A and #8F8A85, which give the same contrast with far less vibration.
What colors go well with #858f8f?
For interface work: #F7F8F8 as the surface, #D4D8D8 for borders, #6E7878 for secondary text, #948085 as an accent and #3D4242 for hover and pressed states. For a palette, the analogous pair #858F8A and #858A8F stays calm, while #8F8585 is the loudest partner.
What is #858f8f in CMYK for printing?
cmyk(7%, 0%, 0%, 44%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.
Is #858f8f warm or cool?
Neutral — it scores 55 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #9F8D7F; nudged cooler, #748496.