#4B445B
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.039 298.6), rgb(75, 68, 91).
Aa
White text reads best on this color (9.22:1).
About this color
#4B445B is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.049 away. White text reads best on it, at 9.22:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #4B445B |
| RGB | rgb(75, 68, 91) |
| HSL | hsl(258, 14%, 31%) |
| OKLCH | oklch(40.3% 0.039 298.6) |
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 #4B445B | 9.22:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #4B445B | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #4B445B text on white | 9.22:1 | AAA | Lc 91.3 | Preferred for body text |
| #4B445B text on black | 2.27:1 | Fails | Lc -11.1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#DAD7E1
oklch(88.4% 0.014 299.8)
-
Step 300
300
#C2BECE
oklch(81% 0.023 297.3)
-
Step 400
400
#A39CB5
oklch(70.7% 0.037 298.3)
-
Step 500
500
#8D84A2
oklch(63.2% 0.046 298.8)
-
Step 600
600
#776D8D
oklch(55.6% 0.05 299.1)
-
Step 700
700
#645B78
oklch(49.1% 0.047 298.9)
-
Step 800
800 (this color)
#4B445B
oklch(40.3% 0.039 298.6)
-
Step 900
900
#433E50
oklch(37.6% 0.031 297.6)
-
Step 950
950
#28242F
oklch(26.9% 0.021 301.6)
#4B445B 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) | #3F475C | 0.020 |
| Deuteranopia (no green cones) | #40475A | 0.020 |
| Tritanopia (no blue cones) | #48474C | 0.031 |
| Achromatopsia (no color) | #474747 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B445B
#4B445B
oklch(40.3% 0.039 298.6)
- #464C33
#464C33
oklch(40.4% 0.04 119.2)
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 #4B445B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.051
- Charcoal #264653 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.060
- Purple Brown #673A3F ΔE 0.065
- Dusty Grape #545775 ΔE 0.066
- Onyx #343A40 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.070
Use #4B445B 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.