#423935
Closest named color: Charcoal Grey (#3C4142). oklch(35.3% 0.014 45.5), rgb(66, 57, 53).
Aa
White text reads best on this color (11.24:1).
About this color
#423935 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.014. 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 11.24:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #423935 |
| RGB | rgb(66, 57, 53) |
| HSL | hsl(18, 11%, 23%) |
| OKLCH | oklch(35.3% 0.014 45.5) |
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 #423935 | 11.24:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #423935 | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #423935 text on white | 11.24:1 | AAA | Lc 96.0 | Preferred for body text |
| #423935 text on black | 1.86:1 | Fails | Lc 0.0 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#ECE9E8
oklch(93.6% 0.004 39.5)
-
Step 200
200
#DDD8D6
oklch(88.6% 0.006 43.3)
-
Step 300
300
#C7BFBB
oklch(81% 0.011 48.6)
-
Step 400
400
#AA9D98
oklch(70.6% 0.017 42.3)
-
Step 500
500
#96867F
oklch(63.2% 0.022 45.1)
-
Step 600
600
#806F68
oklch(55.6% 0.024 43.7)
-
Step 700
700
#6C5D56
oklch(49.1% 0.022 46.6)
-
Step 800
800
#584C47
oklch(42.7% 0.018 44)
-
Step 900
900 (this color)
#423935
oklch(35.3% 0.014 45.5)
-
Step 950
950
#2A2523
oklch(26.9% 0.008 43.1)
#423935 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) | #3B3A35 | 0.012 |
| Deuteranopia (no green cones) | #3D3C35 | 0.013 |
| Tritanopia (no blue cones) | #453838 | 0.009 |
| Achromatopsia (no color) | #3B3B3B | 0.014 |
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 #423935, 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 0.028
- Gunmetal #293241 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.062
- Charcoal #264653 ΔE 0.062
- Pakistan Green #283618 ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.070
Use #423935 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.