#4B4E5B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.022 275.2), rgb(75, 78, 91).
Aa
White text reads best on this color (8.26:1).
About this color
#4B4E5B is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.046 away. White text reads best on it, at 8.26:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.53:1 |
| White text | 8.26:1 |
Values
| HEX | #4B4E5B |
| RGB | rgb(75, 78, 91) |
| HSL | hsl(229, 10%, 33%) |
| OKLCH | oklch(42.6% 0.022 275.2) |
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 #4B4E5B | 8.26:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #4B4E5B | 2.53:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #4B4E5B text on white | 8.26:1 | AAA | Lc 88.6 | Fine for body text |
| #4B4E5B 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BEC0C9
oklch(80.9% 0.013 276.1)
-
Step 400
400
#9DA0AE
oklch(70.8% 0.021 276.2)
-
Step 500
500
#85899A
oklch(63.2% 0.026 275.1)
-
Step 600
600
#6E7284
oklch(55.5% 0.028 275.5)
-
Step 700
700
#5C6070
oklch(49.1% 0.026 274.3)
-
Step 800
800 (this color)
#4B4E5B
oklch(42.6% 0.022 275.2)
-
Step 900
900
#3F414B
oklch(37.7% 0.017 276.6)
-
Step 950
950
#25262C
oklch(27% 0.011 278.1)
#4B4E5B 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) | #4B4F5C | 0.003 |
| Deuteranopia (no green cones) | #4A4E5B | 0.002 |
| Tritanopia (no blue cones) | #475052 | 0.020 |
| Achromatopsia (no color) | #4E4E4E | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4E5B
#4B4E5B
oklch(42.6% 0.022 275.2)
- #524F41
#524F41
oklch(42.6% 0.023 97.2)
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 #4B4E5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.046
- Dusty Grape #545775 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.059
- Charcoal #264653 ΔE 0.061
- Dusk #4E5481 ΔE 0.062
- Deep Teal #00555A ΔE 0.069
Use #4B4E5B 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.