#4B545B
Closest named color: YInMn Blue (#415A77). oklch(44.1% 0.016 241.3), rgb(75, 84, 91).
Aa
White text reads best on this color (7.72:1).
About this color
#4B545B is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.045 away. White text reads best on it, at 7.72:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #4B545B |
| RGB | rgb(75, 84, 91) |
| HSL | hsl(206, 10%, 33%) |
| OKLCH | oklch(44.1% 0.016 241.3) |
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 #4B545B | 7.72:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #4B545B | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #4B545B text on white | 7.72:1 | AAA | Lc 86.9 | Fine for body text |
| #4B545B text on black | 2.71:1 | Fails | Lc -15.2 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6DADC
oklch(88.6% 0.005 228.8)
-
Step 300
300
#BBC1C6
oklch(80.8% 0.01 242.9)
-
Step 400
400
#99A2A9
oklch(70.7% 0.014 241)
-
Step 500
500
#808B94
oklch(63.1% 0.019 242.6)
-
Step 600
600
#69757F
oklch(55.6% 0.021 243.2)
-
Step 700
700
#57626B
oklch(49% 0.02 242.7)
-
Step 800
800 (this color)
#4B545B
oklch(44.1% 0.016 241.3)
-
Step 900
900
#3C4348
oklch(37.8% 0.013 238.9)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#4B545B 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) | #51545B | 0.009 |
| Deuteranopia (no green cones) | #4F525B | 0.008 |
| Tritanopia (no blue cones) | #475656 | 0.014 |
| Achromatopsia (no color) | #535353 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B545B
#4B545B
oklch(44.1% 0.016 241.3)
- #5A514A
#5A514A
oklch(44.2% 0.016 60.2)
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 #4B545B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.045
- Dusty Grape #545775 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.047
- Slate #516572 ΔE 0.057
- Petrol #005F6A ΔE 0.064
- Dusk #4E5481 ΔE 0.064
- Dark Green Blue #1F6357 ΔE 0.066
- Deep Teal #00555A ΔE 0.066
Use #4B545B 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.