#4F424F
Closest named color: Charcoal Grey (#3C4142). oklch(39.7% 0.027 326.1), rgb(79, 66, 79).
Aa
White text reads best on this color (9.43:1).
About this color
#4F424F is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.041 away. White text reads best on it, at 9.43:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.22:1 |
| White text | 9.43:1 |
Values
| HEX | #4F424F |
| RGB | rgb(79, 66, 79) |
| HSL | hsl(300, 9%, 28%) |
| OKLCH | oklch(39.7% 0.027 326.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4F424F | 9.43:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #4F424F | 2.22:1 | Fails | Lc 12.1 | Not readable |
| #4F424F text on white | 9.43:1 | AAA | Lc 91.8 | Preferred for body text |
| #4F424F text on black | 2.22:1 | Fails | Lc -10.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE8EC
oklch(93.5% 0.007 325.6)
-
Step 200
200
#DDD7DD
oklch(88.6% 0.01 325.7)
-
Step 300
300
#C8BCC8
oklch(80.9% 0.021 325.8)
-
Step 400
400
#AC9AAC
oklch(70.8% 0.033 325.9)
-
Step 500
500
#978197
oklch(63.1% 0.041 326.1)
-
Step 600
600
#826A82
oklch(55.6% 0.047 326.2)
-
Step 700
700
#6E596E
oklch(49.2% 0.042 326.2)
-
Step 800
800
#594859
oklch(42.5% 0.035 326.2)
-
Step 900
900 (this color)
#4F424F
oklch(39.7% 0.027 326.1)
-
Step 950
950
#2B242B
oklch(27.1% 0.016 326)
#4F424F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #414550 | 0.024 |
| Deuteranopia (no green cones) | #44474E | 0.024 |
| Tritanopia (no blue cones) | #504346 | 0.017 |
| Achromatopsia (no color) | #464646 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F424F
#4F424F
oklch(39.7% 0.027 326.1)
- #3E4B3E
#3E4B3E
oklch(39.7% 0.027 145)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4F424F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.041
- Purple Brown #673A3F ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.057
- Onyx #343A40 ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.060
- Charcoal #264653 ΔE 0.060
- Brownish Purple #76424E ΔE 0.073
- Dusty Grape #545775 ΔE 0.078
Use #4F424F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.