#4E3166
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.093 307.8), rgb(78, 49, 102).
Aa
White text reads best on this color (10.74:1).
About this color
#4E3166 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.093 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.066 away. White text reads best on it, at 10.74:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #4E3166 |
| RGB | rgb(78, 49, 102) |
| HSL | hsl(273, 35%, 30%) |
| OKLCH | oklch(37.3% 0.093 307.8) |
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 #4E3166 | 10.74:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4E3166 | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #4E3166 text on white | 10.74:1 | AAA | Lc 94.7 | Preferred for body text |
| #4E3166 text on black | 1.95:1 | Fails | Lc -7.9 | 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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CDB5E4
oklch(80.9% 0.07 308)
-
Step 400
400
#B48DD6
oklch(70.7% 0.112 308.2)
-
Step 500
500
#A16FCB
oklch(63% 0.143 307.9)
-
Step 600
600
#8C55B8
oklch(55.5% 0.156 307.8)
-
Step 700
700
#77459F
oklch(49.1% 0.145 307.6)
-
Step 800
800
#613981
oklch(42.7% 0.121 307.7)
-
Step 900
900 (this color)
#4E3166
oklch(37.3% 0.093 307.8)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#4E3166 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) | #233D68 | 0.072 |
| Deuteranopia (no green cones) | #2B3E65 | 0.065 |
| Tritanopia (no blue cones) | #4B3A46 | 0.068 |
| Achromatopsia (no color) | #3E3E3E | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3166
#4E3166
oklch(37.3% 0.093 307.8)
- #324906
#324906
oklch(37.3% 0.093 127.9)
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 #4E3166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Grape Purple #5D1451 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.085
- Blueberry #464196 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.087
- Royal Purple #4B006E ΔE 0.087
- Plum Purple #4E0550 ΔE 0.089
- Onyx #343A40 ΔE 0.091
Use #4E3166 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.