#4B4E5A
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.02 274.4), rgb(75, 78, 90).
Aa
White text reads best on this color (8.27:1).
About this color
#4B4E5A is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.020. 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 8.27:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #4B4E5A |
| RGB | rgb(75, 78, 90) |
| HSL | hsl(228, 9%, 32%) |
| OKLCH | oklch(42.6% 0.02 274.4) |
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 #4B4E5A | 8.27:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #4B4E5A | 2.53:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #4B4E5A text on white | 8.27:1 | AAA | Lc 88.6 | Fine for body text |
| #4B4E5A text on black | 2.53:1 | Fails | Lc -13.6 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BEC0C8
oklch(80.9% 0.011 274.9)
-
Step 400
400
#9DA0AD
oklch(70.7% 0.019 275.5)
-
Step 500
500
#858999
oklch(63.2% 0.024 274.5)
-
Step 600
600
#6E7283
oklch(55.5% 0.027 275)
-
Step 700
700
#5C606F
oklch(49.1% 0.024 273.7)
-
Step 800
800 (this color)
#4B4E5A
oklch(42.6% 0.02 274.4)
-
Step 900
900
#3F414A
oklch(37.7% 0.016 275.7)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#4B4E5A 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) | #4B4F5B | 0.003 |
| Deuteranopia (no green cones) | #4A4E5A | 0.002 |
| Tritanopia (no blue cones) | #485052 | 0.018 |
| Achromatopsia (no color) | #4E4E4E | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4E5A
#4B4E5A
oklch(42.6% 0.02 274.4)
- #524F42
#524F42
oklch(42.6% 0.021 96.4)
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 #4B4E5A, 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
- Dusty Grape #545775 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.058
- Charcoal #264653 ΔE 0.061
- Dusk #4E5481 ΔE 0.064
- Deep Teal #00555A ΔE 0.068
Use #4B4E5A 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.