#4B4147
Closest named color: Charcoal Grey (#3C4142). oklch(38.8% 0.017 341.2), rgb(75, 65, 71).
Aa
White text reads best on this color (9.78:1).
About this color
#4B4147 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.028 away. White text reads best on it, at 9.78:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #4B4147 |
| RGB | rgb(75, 65, 71) |
| HSL | hsl(324, 7%, 27%) |
| OKLCH | oklch(38.8% 0.017 341.2) |
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 #4B4147 | 9.78:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #4B4147 | 2.14:1 | Fails | Lc 11.2 | Not readable |
| #4B4147 text on white | 9.78:1 | AAA | Lc 92.7 | Preferred for body text |
| #4B4147 text on black | 2.14:1 | Fails | Lc -9.7 | 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
#DCD7DA
oklch(88.4% 0.007 340.4)
-
Step 300
300
#C7BEC3
oklch(81% 0.012 342.7)
-
Step 400
400
#AA9CA4
oklch(70.7% 0.02 342.2)
-
Step 500
500
#95848E
oklch(63.2% 0.025 341.7)
-
Step 600
600
#7F6D78
oklch(55.5% 0.028 340.8)
-
Step 700
700
#6C5B65
oklch(49.1% 0.027 342)
-
Step 800
800
#584B52
oklch(42.8% 0.021 344.3)
-
Step 900
900 (this color)
#4B4147
oklch(38.8% 0.017 341.2)
-
Step 950
950
#2A2428
oklch(26.9% 0.011 338.1)
#4B4147 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) | #414347 | 0.017 |
| Deuteranopia (no green cones) | #444447 | 0.014 |
| Tritanopia (no blue cones) | #4C4143 | 0.007 |
| Achromatopsia (no color) | #444444 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4147
#4B4147
oklch(38.8% 0.017 341.2)
- #3D4741
#3D4741
oklch(38.7% 0.016 159.2)
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 #4B4147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.028
- Onyx #343A40 ΔE 0.048
- Purple Brown #673A3F ΔE 0.053
- Charcoal #264653 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.072
- Gunmetal #293241 ΔE 0.079
Use #4B4147 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.