#4B455B
Closest named color: Dark Grey Blue (#29465B). oklch(40.5% 0.037 297.2), rgb(75, 69, 91).
Aa
White text reads best on this color (9.12:1).
About this color
#4B455B is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.037 and its hue 297°. 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 9.12:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #4B455B |
| RGB | rgb(75, 69, 91) |
| HSL | hsl(256, 14%, 31%) |
| OKLCH | oklch(40.5% 0.037 297.2) |
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 #4B455B | 9.12:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #4B455B | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #4B455B text on white | 9.12:1 | AAA | Lc 91.0 | Preferred for body text |
| #4B455B text on black | 2.30:1 | Fails | Lc -11.3 | 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
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#DAD8E0
oklch(88.6% 0.011 297.6)
-
Step 300
300
#C2BECD
oklch(80.9% 0.021 298.1)
-
Step 400
400
#A29CB4
oklch(70.6% 0.035 296.9)
-
Step 500
500
#8C84A2
oklch(63.1% 0.045 297.3)
-
Step 600
600
#766E8D
oklch(55.7% 0.048 296.6)
-
Step 700
700
#635C77
oklch(49.2% 0.043 296.7)
-
Step 800
800 (this color)
#4B455B
oklch(40.5% 0.037 297.2)
-
Step 900
900
#433F4F
oklch(37.8% 0.027 296.5)
-
Step 950
950
#27252E
oklch(27% 0.017 295.4)
#4B455B 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) | #40485C | 0.019 |
| Deuteranopia (no green cones) | #41485A | 0.018 |
| Tritanopia (no blue cones) | #48484D | 0.029 |
| Achromatopsia (no color) | #484848 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B455B
#4B455B
oklch(40.5% 0.037 297.2)
- #474C35
#474C35
oklch(40.5% 0.037 118.1)
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 #4B455B, 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 0.058
- Dusty Grape #545775 ΔE 0.063
- Purple Brown #673A3F ΔE 0.066
- Onyx #343A40 ΔE 0.067
- YInMn Blue #415A77 ΔE 0.068
Use #4B455B 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.