#4B403D
Closest named color: Charcoal Grey (#3C4142). oklch(38.2% 0.016 35.7), rgb(75, 64, 61).
Aa
White text reads best on this color (10.00:1).
About this color
#4B403D is a dark close to neutral grey. In OKLCH its lightness is 38%, 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 10.00:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #4B403D |
| RGB | rgb(75, 64, 61) |
| HSL | hsl(13, 10%, 27%) |
| OKLCH | oklch(38.2% 0.016 35.7) |
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 #4B403D | 10.00:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #4B403D | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #4B403D text on white | 10.00:1 | AAA | Lc 93.2 | Preferred for body text |
| #4B403D text on black | 2.09:1 | Fails | Lc -9.3 | 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
#C8BEBB
oklch(80.9% 0.012 37.4)
-
Step 400
400
#AC9D98
oklch(70.8% 0.019 39.4)
-
Step 500
500
#98857F
oklch(63.2% 0.025 38.3)
-
Step 600
600
#826E69
oklch(55.6% 0.027 34.3)
-
Step 700
700
#6E5C57
oklch(49.1% 0.025 36)
-
Step 800
800
#5A4B47
oklch(42.7% 0.021 35.3)
-
Step 900
900 (this color)
#4B403D
oklch(38.2% 0.016 35.7)
-
Step 950
950
#2B2523
oklch(27% 0.01 39.3)
#4B403D 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) | #42413D | 0.016 |
| Deuteranopia (no green cones) | #45433D | 0.013 |
| Tritanopia (no blue cones) | #4E3F3F | 0.008 |
| Achromatopsia (no color) | #424242 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B403D
#4B403D
oklch(38.2% 0.016 35.7)
- #394548
#394548
oklch(38.1% 0.016 214.5)
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 #4B403D, 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 0.046
- Purple Brown #673A3F ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.057
- Charcoal #264653 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.065
- Mud Brown #60460F ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.075
Use #4B403D 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.