#4B0F55
Closest named color: Plum Purple (#4E0550). oklch(30.9% 0.126 321.4), rgb(75, 15, 85).
Aa
White text reads best on this color (14.01:1).
About this color
#4B0F55 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.126 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.016 away. White text reads best on it, at 14.01:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.49:1 |
| White text | 14.01:1 |
Values
| HEX | #4B0F55 |
| RGB | rgb(75, 15, 85) |
| HSL | hsl(291, 70%, 20%) |
| OKLCH | oklch(30.9% 0.126 321.4) |
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 #4B0F55 | 14.01:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #4B0F55 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #4B0F55 text on white | 14.01:1 | AAA | Lc 99.8 | Preferred for body text |
| #4B0F55 text on black | 1.49:1 | 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 950.
-
Step 50
50
#FCF1FE
oklch(97% 0.021 321)
-
Step 100
100
#F8E1FC
oklch(93.6% 0.043 321.2)
-
Step 200
200
#F3C8FB
oklch(88.6% 0.083 321)
-
Step 300
300
#ED9FFA
oklch(81% 0.149 321.7)
-
Step 400
400
#E15FF8
oklch(70.7% 0.24 321.4)
-
Step 500
500
#D500F2
oklch(63.1% 0.301 321.5)
-
Step 600
600
#B400CD
oklch(55.7% 0.265 321.4)
-
Step 700
700
#9800AD
oklch(49.1% 0.234 321.5)
-
Step 800
800
#7D008F
oklch(42.7% 0.203 321.4)
-
Step 900
900
#690078
oklch(37.6% 0.179 321.6)
-
Step 950
950 (this color)
#4B0F55
oklch(30.9% 0.126 321.4)
#4B0F55 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) | #002857 | 0.126 |
| Deuteranopia (no green cones) | #182E53 | 0.112 |
| Tritanopia (no blue cones) | #4C1D31 | 0.077 |
| Achromatopsia (no color) | #2C2C2C | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B0F55
#4B0F55
oklch(30.9% 0.126 321.4)
- #053C00
#053C00
oklch(31% 0.103 141.5)
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 #4B0F55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.016
- Deep Violet #490648 ΔE 0.026
- Eggplant Purple #430541 ΔE 0.042
- Grape Purple #5D1451 ΔE 0.045
- Royal Purple #4B006E ΔE 0.047
- Dark Purple #35063E ΔE 0.067
- Aubergine #3D0734 ΔE 0.068
- Deep Purple #36013F ΔE 0.068
Use #4B0F55 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.