#4F404B
Closest named color: Charcoal Grey (#3C4142). oklch(39.1% 0.027 335.7), rgb(79, 64, 75).
Aa
White text reads best on this color (9.68:1).
About this color
#4F404B is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 9.68:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #4F404B |
| RGB | rgb(79, 64, 75) |
| HSL | hsl(316, 10%, 28%) |
| OKLCH | oklch(39.1% 0.027 335.7) |
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 #4F404B | 9.68:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #4F404B | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #4F404B text on white | 9.68:1 | AAA | Lc 92.5 | Preferred for body text |
| #4F404B text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#ECE8EB
oklch(93.5% 0.006 334)
-
Step 200
200
#DED6DC
oklch(88.4% 0.012 334.1)
-
Step 300
300
#CABCC6
oklch(81% 0.021 335.8)
-
Step 400
400
#AE99A8
oklch(70.6% 0.032 336.1)
-
Step 500
500
#9A8093
oklch(63% 0.042 335.7)
-
Step 600
600
#856A7E
oklch(55.7% 0.045 335.6)
-
Step 700
700
#70586A
oklch(49.1% 0.041 335.2)
-
Step 800
800
#5C4856
oklch(42.8% 0.035 337.3)
-
Step 900
900 (this color)
#4F404B
oklch(39.1% 0.027 335.7)
-
Step 950
950
#2C232A
oklch(26.9% 0.018 333.9)
#4F404B 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) | #40434B | 0.026 |
| Deuteranopia (no green cones) | #43454B | 0.025 |
| Tritanopia (no blue cones) | #514044 | 0.012 |
| Achromatopsia (no color) | #444444 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F404B
#4F404B
oklch(39.1% 0.027 335.7)
- #3A4A3F
#3A4A3F
oklch(39.2% 0.027 154.9)
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 #4F404B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Purple Brown #673A3F ΔE 0.048
- Onyx #343A40 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.060
- Charcoal #264653 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.062
- Brownish Purple #76424E ΔE 0.075
- Dark Blue Grey #1F3B4D ΔE 0.077
Use #4F404B 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.