#51474A
Closest named color: Charcoal Grey (#3C4142). oklch(40.9% 0.014 357.6), rgb(81, 71, 74).
Aa
White text reads best on this color (8.93:1).
About this color
#51474A is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.043 away. White text reads best on it, at 8.93:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.35:1 |
| White text | 8.93:1 |
Values
| HEX | #51474A |
| RGB | rgb(81, 71, 74) |
| HSL | hsl(342, 7%, 30%) |
| OKLCH | oklch(40.9% 0.014 357.6) |
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 #51474A | 8.93:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #51474A | 2.35:1 | Fails | Lc 13.5 | Not readable |
| #51474A text on white | 8.93:1 | AAA | Lc 90.5 | Preferred for body text |
| #51474A text on black | 2.35:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD8D9
oklch(88.6% 0.005 0)
-
Step 300
300
#C5BEC0
oklch(80.8% 0.008 357.9)
-
Step 400
400
#A89DA0
oklch(70.6% 0.014 358.9)
-
Step 500
500
#938589
oklch(63% 0.018 358.4)
-
Step 600
600
#7D6F73
oklch(55.6% 0.018 358.5)
-
Step 700
700
#695D61
oklch(49.1% 0.017 355.5)
-
Step 800
800 (this color)
#51474A
oklch(40.9% 0.014 357.6)
-
Step 900
900
#473F41
oklch(37.7% 0.011 0.7)
-
Step 950
950
#292526
oklch(26.9% 0.006 0.5)
#51474A 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) | #48494A | 0.016 |
| Deuteranopia (no green cones) | #4A4A4A | 0.014 |
| Tritanopia (no blue cones) | #534748 | 0.005 |
| Achromatopsia (no color) | #494949 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #51474A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.043
- Purple Brown #673A3F ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.052
- Charcoal #264653 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.064
- Onyx #343A40 ΔE 0.068
- Brownish Purple #76424E ΔE 0.069
- Dusty Grape #545775 ΔE 0.075
Use #51474A 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.