#4C4147
Closest named color: Charcoal Grey (#3C4142). oklch(38.9% 0.018 343.9), rgb(76, 65, 71).
Aa
White text reads best on this color (9.74:1).
About this color
#4C4147 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.029 away. White text reads best on it, at 9.74:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #4C4147 |
| RGB | rgb(76, 65, 71) |
| HSL | hsl(327, 8%, 28%) |
| OKLCH | oklch(38.9% 0.018 343.9) |
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 #4C4147 | 9.74:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #4C4147 | 2.15:1 | Fails | Lc 11.3 | Not readable |
| #4C4147 text on white | 9.74:1 | AAA | Lc 92.6 | Preferred for body text |
| #4C4147 text on black | 2.15:1 | Fails | Lc -9.8 | 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
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DDD7DA
oklch(88.5% 0.008 345.4)
-
Step 300
300
#C7BDC3
oklch(80.8% 0.014 340.6)
-
Step 400
400
#AB9CA4
oklch(70.8% 0.021 344.2)
-
Step 500
500
#96838E
oklch(63.1% 0.028 342.2)
-
Step 600
600
#816D78
oklch(55.7% 0.03 343.9)
-
Step 700
700
#6D5B65
oklch(49.2% 0.028 343.7)
-
Step 800
800
#594A52
oklch(42.7% 0.024 344.8)
-
Step 900
900 (this color)
#4C4147
oklch(38.9% 0.018 343.9)
-
Step 950
950
#2B2428
oklch(27% 0.013 342.7)
#4C4147 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) | #424347 | 0.018 |
| Deuteranopia (no green cones) | #444547 | 0.018 |
| Tritanopia (no blue cones) | #4E4143 | 0.007 |
| Achromatopsia (no color) | #444444 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C4147
#4C4147
oklch(38.9% 0.018 343.9)
- #3C4842
#3C4842
oklch(38.9% 0.018 163.8)
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 #4C4147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.029
- Onyx #343A40 ΔE 0.049
- Purple Brown #673A3F ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.056
- Charcoal #264653 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.074
- Gunmetal #293241 ΔE 0.080
Use #4C4147 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.