#4B406C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.073 294.4), rgb(75, 64, 108).
Aa
White text reads best on this color (9.33:1).
About this color
#4B406C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.073 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #4B406C |
| RGB | rgb(75, 64, 108) |
| HSL | hsl(255, 26%, 34%) |
| OKLCH | oklch(40.3% 0.073 294.4) |
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 #4B406C | 9.33:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #4B406C | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #4B406C text on white | 9.33:1 | AAA | Lc 91.5 | Preferred for body text |
| #4B406C text on black | 2.24:1 | Fails | Lc -10.9 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E8
oklch(88.5% 0.025 296.1)
-
Step 300
300
#C2BCDA
oklch(81% 0.042 294.6)
-
Step 400
400
#A399C8
oklch(70.8% 0.069 294.3)
-
Step 500
500
#8C7FB9
oklch(63% 0.087 294.1)
-
Step 600
600
#7768A5
oklch(55.7% 0.094 294.4)
-
Step 700
700
#64568E
oklch(49.1% 0.089 294.4)
-
Step 800
800 (this color)
#4B406C
oklch(40.3% 0.073 294.4)
-
Step 900
900
#433B5D
oklch(37.6% 0.058 294.2)
-
Step 950
950
#272336
oklch(27% 0.035 293.6)
#4B406C 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) | #34476E | 0.038 |
| Deuteranopia (no green cones) | #35466B | 0.037 |
| Tritanopia (no blue cones) | #444851 | 0.060 |
| Achromatopsia (no color) | #474747 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B406C
#4B406C
oklch(40.3% 0.073 294.4)
- #484D19
#484D19
oklch(40.4% 0.074 114.4)
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 #4B406C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Dusk #4E5481 ΔE 0.062
- Dark Grey Blue #29465B ΔE 0.063
- Twilight #4E518B ΔE 0.064
- Dusty Grape #545775 ΔE 0.070
- Blueberry #464196 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.075
- Charcoal #264653 ΔE 0.075
Use #4B406C 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.