#4B1E57
Closest named color: Plum Purple (#4E0550). oklch(32.8% 0.107 318.7), rgb(75, 30, 87).
Aa
White text reads best on this color (12.94:1).
About this color
#4B1E57 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.107 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.040 away. White text reads best on it, at 12.94:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.62:1 |
| White text | 12.94:1 |
Values
| HEX | #4B1E57 |
| RGB | rgb(75, 30, 87) |
| HSL | hsl(287, 49%, 23%) |
| OKLCH | oklch(32.8% 0.107 318.7) |
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 #4B1E57 | 12.94:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #4B1E57 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #4B1E57 text on white | 12.94:1 | AAA | Lc 98.7 | Preferred for body text |
| #4B1E57 text on black | 1.62:1 | Fails | Lc 0.0 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E6D0EC
oklch(88.4% 0.045 319)
-
Step 300
300
#D7B1E2
oklch(81% 0.079 318.6)
-
Step 400
400
#C286D4
oklch(70.8% 0.128 318.2)
-
Step 500
500
#B264C8
oklch(63% 0.165 318.5)
-
Step 600
600
#9E48B4
oklch(55.6% 0.179 319)
-
Step 700
700
#87399B
oklch(49.2% 0.165 318.9)
-
Step 800
800
#6D307E
oklch(42.7% 0.137 318.3)
-
Step 900
900 (this color)
#4B1E57
oklch(32.8% 0.107 318.7)
-
Step 950
950
#341A3B
oklch(26.9% 0.068 318.8)
#4B1E57 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) | #0F2E59 | 0.102 |
| Deuteranopia (no green cones) | #213356 | 0.089 |
| Tritanopia (no blue cones) | #4B2737 | 0.067 |
| Achromatopsia (no color) | #313131 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1E57
#4B1E57
oklch(32.8% 0.107 318.7)
- #134000
#134000
oklch(32.7% 0.102 138.7)
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 #4B1E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.040
- Grape Purple #5D1451 ΔE 0.042
- Deep Violet #490648 ΔE 0.047
- Royal Purple #4B006E ΔE 0.059
- Eggplant Purple #430541 ΔE 0.061
- Aubergine #3D0734 ΔE 0.081
- Dark Purple #35063E ΔE 0.083
- Indigo #4B0082 ΔE 0.084
Use #4B1E57 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.