#4B455A
Closest named color: Dark Grey Blue (#29465B). oklch(40.5% 0.036 297.9), rgb(75, 69, 90).
Aa
White text reads best on this color (9.13:1).
About this color
#4B455A is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.036 and its hue 298°. 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 9.13:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.29:1 |
| White text | 9.13:1 |
Values
| HEX | #4B455A |
| RGB | rgb(75, 69, 90) |
| HSL | hsl(257, 13%, 31%) |
| OKLCH | oklch(40.5% 0.036 297.9) |
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 #4B455A | 9.13:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #4B455A | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #4B455A text on white | 9.13:1 | AAA | Lc 91.0 | Preferred for body text |
| #4B455A text on black | 2.29:1 | 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
#EAE9ED
oklch(93.6% 0.005 297.7)
-
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
#A39DB3
oklch(70.8% 0.032 298)
-
Step 500
500
#8C84A0
oklch(63% 0.042 298.2)
-
Step 600
600
#766E8B
oklch(55.6% 0.045 297.5)
-
Step 700
700
#635C76
oklch(49.1% 0.042 297.2)
-
Step 800
800 (this color)
#4B455A
oklch(40.5% 0.036 297.9)
-
Step 900
900
#433F4F
oklch(37.8% 0.027 296.5)
-
Step 950
950
#27252E
oklch(27% 0.017 295.4)
#4B455A 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) | #41485B | 0.017 |
| Deuteranopia (no green cones) | #424859 | 0.017 |
| Tritanopia (no blue cones) | #48484C | 0.029 |
| Achromatopsia (no color) | #484848 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B455A
#4B455A
oklch(40.5% 0.036 297.9)
- #474C36
#474C36
oklch(40.5% 0.036 118.4)
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 #4B455A, 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 0.049
- Charcoal #264653 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.057
- Dusty Grape #545775 ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Onyx #343A40 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.068
Use #4B455A 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.