#4D3F47
Closest named color: Charcoal Grey (#3C4142). oklch(38.5% 0.023 343), rgb(77, 63, 71).
Aa
White text reads best on this color (9.91:1).
About this color
#4D3F47 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 9.91:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #4D3F47 |
| RGB | rgb(77, 63, 71) |
| HSL | hsl(326, 10%, 27%) |
| OKLCH | oklch(38.5% 0.023 343) |
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 #4D3F47 | 9.91:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #4D3F47 | 2.11:1 | Fails | Lc 10.9 | Not readable |
| #4D3F47 text on white | 9.91:1 | AAA | Lc 93.0 | Preferred for body text |
| #4D3F47 text on black | 2.11:1 | Fails | Lc -9.5 | 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
#DED7DB
oklch(88.6% 0.009 341.8)
-
Step 300
300
#C9BCC3
oklch(80.8% 0.017 343.7)
-
Step 400
400
#AE9AA5
oklch(70.7% 0.028 343.6)
-
Step 500
500
#9A818F
oklch(63.1% 0.036 343.5)
-
Step 600
600
#846B79
oklch(55.7% 0.038 343.7)
-
Step 700
700
#705966
oklch(49.2% 0.036 343.5)
-
Step 800
800
#5B4953
oklch(42.7% 0.029 343.9)
-
Step 900
900 (this color)
#4D3F47
oklch(38.5% 0.023 343)
-
Step 950
950
#2C2428
oklch(27.1% 0.014 346.4)
#4D3F47 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) | #404247 | 0.023 |
| Deuteranopia (no green cones) | #434447 | 0.022 |
| Tritanopia (no blue cones) | #4F3F42 | 0.009 |
| Achromatopsia (no color) | #434343 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3F47
#4D3F47
oklch(38.5% 0.023 343)
- #394840
#394840
oklch(38.6% 0.023 161.8)
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 #4D3F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.049
- Purple Brown #673A3F ΔE 0.050
- Charcoal #264653 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.074
- Gunmetal #293241 ΔE 0.078
Use #4D3F47 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.