#47424B
Closest named color: Charcoal Grey (#3C4142). oklch(38.7% 0.016 310.3), rgb(71, 66, 75).
Aa
White text reads best on this color (9.77:1).
About this color
#47424B is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.025 away. White text reads best on it, at 9.77:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #47424B |
| RGB | rgb(71, 66, 75) |
| HSL | hsl(273, 6%, 28%) |
| OKLCH | oklch(38.7% 0.016 310.3) |
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 #47424B | 9.77:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #47424B | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #47424B text on white | 9.77:1 | AAA | Lc 92.7 | Preferred for body text |
| #47424B text on black | 2.14:1 | 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
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#DAD8DC
oklch(88.5% 0.006 308.4)
-
Step 300
300
#C3BEC7
oklch(80.8% 0.014 310.5)
-
Step 400
400
#A49DAA
oklch(70.6% 0.02 309.7)
-
Step 500
500
#8E8595
oklch(63% 0.026 310.6)
-
Step 600
600
#786F80
oklch(55.6% 0.028 309.1)
-
Step 700
700
#655D6C
oklch(49.1% 0.026 309.3)
-
Step 800
800
#534C58
oklch(42.8% 0.021 311.3)
-
Step 900
900 (this color)
#47424B
oklch(38.7% 0.016 310.3)
-
Step 950
950
#28252A
oklch(27% 0.01 312.1)
#47424B 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) | #41444B | 0.011 |
| Deuteranopia (no green cones) | #42444B | 0.010 |
| Tritanopia (no blue cones) | #474345 | 0.012 |
| Achromatopsia (no color) | #444444 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47424B
#47424B
oklch(38.7% 0.016 310.3)
- #41463D
#41463D
oklch(38.7% 0.016 131)
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 #47424B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.025
- Onyx #343A40 ΔE 0.045
- Charcoal #264653 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.049
- Purple Brown #673A3F ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.066
- Dark Teal #014D4E ΔE 0.073
Use #47424B 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.