#4B5959
Closest named color: Slate (#516572). oklch(45.2% 0.017 196.6), rgb(75, 89, 89).
Aa
White text reads best on this color (7.31:1).
About this color
#4B5959 is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.048 away. White text reads best on it, at 7.31:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #4B5959 |
| RGB | rgb(75, 89, 89) |
| HSL | hsl(180, 9%, 32%) |
| OKLCH | oklch(45.2% 0.017 196.6) |
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 #4B5959 | 7.31:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #4B5959 | 2.87:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #4B5959 text on white | 7.31:1 | AAA | Lc 85.4 | Fine for body text |
| #4B5959 text on black | 2.87:1 | Fails | Lc -16.6 | Dividers and decoration only |
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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DADA
oklch(88.5% 0.005 197.1)
-
Step 300
300
#B9C3C3
oklch(80.9% 0.011 196.9)
-
Step 400
400
#96A4A4
oklch(70.8% 0.016 196.8)
-
Step 500
500
#7C8E8E
oklch(63.2% 0.021 196.6)
-
Step 600
600
#647878
oklch(55.7% 0.024 196.5)
-
Step 700
700
#536565
oklch(49.2% 0.022 196.5)
-
Step 800
800 (this color)
#4B5959
oklch(45.2% 0.017 196.6)
-
Step 900
900
#3A4444
oklch(37.8% 0.013 196.6)
-
Step 950
950
#222828
oklch(27.1% 0.009 196.7)
#4B5959 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) | #575859 | 0.018 |
| Deuteranopia (no green cones) | #545559 | 0.017 |
| Tritanopia (no blue cones) | #475A59 | 0.006 |
| Achromatopsia (no color) | #565656 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5959
#4B5959
oklch(45.2% 0.017 196.6)
- #5F5252
#5F5252
oklch(45.1% 0.017 17.8)
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 #4B5959, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.050
- Dusty Grape #545775 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
- Petrol #005F6A ΔE 0.060
- Dark Aqua #05696B ΔE 0.065
- Deep Teal #00555A ΔE 0.068
Use #4B5959 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.