#4B503F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.1% 0.028 120.9), rgb(75, 80, 63).
Aa
White text reads best on this color (8.33:1).
About this color
#4B503F is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.045 away. White text reads best on it, at 8.33:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #4B503F |
| RGB | rgb(75, 80, 63) |
| HSL | hsl(78, 12%, 28%) |
| OKLCH | oklch(42.1% 0.028 120.9) |
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 #4B503F | 8.33:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #4B503F | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #4B503F text on white | 8.33:1 | AAA | Lc 88.8 | Fine for body text |
| #4B503F text on black | 2.51:1 | Fails | Lc -13.4 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD4
oklch(88.5% 0.008 121.6)
-
Step 300
300
#BFC2B7
oklch(80.9% 0.016 119.2)
-
Step 400
400
#9EA391
oklch(70.6% 0.026 119.7)
-
Step 500
500
#868D77
oklch(63.1% 0.033 121.7)
-
Step 600
600
#70775F
oklch(55.6% 0.037 120.8)
-
Step 700
700
#5E644F
oklch(49.2% 0.033 120.6)
-
Step 800
800 (this color)
#4B503F
oklch(42.1% 0.028 120.9)
-
Step 900
900
#404337
oklch(37.6% 0.02 118.8)
-
Step 950
950
#252820
oklch(27.1% 0.015 124.1)
#4B503F 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) | #524E3E | 0.012 |
| Deuteranopia (no green cones) | #524E40 | 0.013 |
| Tritanopia (no blue cones) | #4D4E4B | 0.023 |
| Achromatopsia (no color) | #4E4E4E | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B503F
#4B503F
oklch(42.1% 0.028 120.9)
- #504A5B
#504A5B
oklch(42.1% 0.029 301.3)
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 #4B503F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.058
- Mud Brown #60460F ΔE 0.059
- Green Brown #544E03 ΔE 0.061
- Pine #2B5D34 ΔE 0.063
- Dark Blue Green #005249 ΔE 0.068
- Dark Green Blue #1F6357 ΔE 0.068
- Deep Teal #00555A ΔE 0.072
Use #4B503F 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.