#4C403B
Closest named color: Charcoal Grey (#3C4142). oklch(38.2% 0.019 43.9), rgb(76, 64, 59).
Aa
White text reads best on this color (9.98:1).
About this color
#4C403B is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.019. 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 9.98:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #4C403B |
| RGB | rgb(76, 64, 59) |
| HSL | hsl(18, 13%, 26%) |
| OKLCH | oklch(38.2% 0.019 43.9) |
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 #4C403B | 9.98:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #4C403B | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #4C403B text on white | 9.98:1 | AAA | Lc 93.2 | Preferred for body text |
| #4C403B text on black | 2.10:1 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E8
oklch(93.6% 0.004 39.5)
-
Step 200
200
#DED8D5
oklch(88.6% 0.008 48.6)
-
Step 300
300
#C9BEB9
oklch(80.9% 0.014 46.2)
-
Step 400
400
#AD9C95
oklch(70.6% 0.023 43.8)
-
Step 500
500
#99847C
oklch(63% 0.028 42)
-
Step 600
600
#846E65
oklch(55.7% 0.031 43.5)
-
Step 700
700
#6F5C54
oklch(49.1% 0.028 44.1)
-
Step 800
800
#5B4B44
oklch(42.7% 0.025 45)
-
Step 900
900 (this color)
#4C403B
oklch(38.2% 0.019 43.9)
-
Step 950
950
#2C2522
oklch(27.1% 0.012 44.6)
#4C403B 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) | #43413B | 0.016 |
| Deuteranopia (no green cones) | #46433B | 0.013 |
| Tritanopia (no blue cones) | #4F3E3F | 0.012 |
| Achromatopsia (no color) | #424242 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C403B
#4C403B
oklch(38.2% 0.019 43.9)
- #39454A
#39454A
oklch(38.2% 0.018 224.9)
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 #4C403B, 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 0.049
- Purple Brown #673A3F ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.059
- Charcoal #264653 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.068
- Mud Brown #60460F ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.078
Use #4C403B 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.