#4B404C
Closest named color: Charcoal Grey (#3C4142). oklch(38.7% 0.025 323.4), rgb(75, 64, 76).
Aa
White text reads best on this color (9.82:1).
About this color
#4B404C is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 9.82:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #4B404C |
| RGB | rgb(75, 64, 76) |
| HSL | hsl(295, 9%, 27%) |
| OKLCH | oklch(38.7% 0.025 323.4) |
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 #4B404C | 9.82:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #4B404C | 2.13:1 | Fails | Lc 11.1 | Not readable |
| #4B404C text on white | 9.82:1 | AAA | Lc 92.8 | Preferred for body text |
| #4B404C text on black | 2.13:1 | Fails | Lc -9.7 | 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
#ECE9EC
oklch(93.7% 0.005 325.6)
-
Step 200
200
#DDD7DD
oklch(88.6% 0.01 325.7)
-
Step 300
300
#C7BDC8
oklch(81% 0.019 323)
-
Step 400
400
#AA9BAB
oklch(70.7% 0.029 324)
-
Step 500
500
#958297
oklch(63.1% 0.038 323)
-
Step 600
600
#806B81
oklch(55.5% 0.042 324.7)
-
Step 700
700
#6C5A6D
oklch(49.2% 0.037 324.5)
-
Step 800
800
#584959
oklch(42.7% 0.032 324.2)
-
Step 900
900 (this color)
#4B404C
oklch(38.7% 0.025 323.4)
-
Step 950
950
#2A242B
oklch(27% 0.015 321.4)
#4B404C 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) | #3F434D | 0.021 |
| Deuteranopia (no green cones) | #41444C | 0.020 |
| Tritanopia (no blue cones) | #4C4144 | 0.015 |
| Achromatopsia (no color) | #434343 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B404C
#4B404C
oklch(38.7% 0.025 323.4)
- #3D483C
#3D483C
oklch(38.8% 0.025 142.8)
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 #4B404C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.053
- Charcoal #264653 ΔE 0.054
- Purple Brown #673A3F ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.070
- Gunmetal #293241 ΔE 0.077
Use #4B404C 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.