#501551
Closest named color: Plum Purple (#4E0550). oklch(32% 0.118 327.2), rgb(80, 21, 81).
Aa
White text reads best on this color (13.39:1).
About this color
#501551 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.118 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.024 away. White text reads best on it, at 13.39:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.56:1 |
| White text | 13.39:1 |
Values
| HEX | #501551 |
| RGB | rgb(80, 21, 81) |
| HSL | hsl(299, 59%, 20%) |
| OKLCH | oklch(32% 0.118 327.2) |
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 #501551 | 13.39:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #501551 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #501551 text on white | 13.39:1 | AAA | Lc 99.1 | Preferred for body text |
| #501551 text on black | 1.56:1 | 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
#FDF1FC
oklch(97.1% 0.019 328.3)
-
Step 100
100
#F9E1F8
oklch(93.6% 0.04 327.2)
-
Step 200
200
#F5C8F4
oklch(88.5% 0.077 326.9)
-
Step 300
300
#F09FEF
oklch(80.8% 0.14 327.2)
-
Step 400
400
#E562E7
oklch(70.7% 0.223 327)
-
Step 500
500
#DA14DF
oklch(63% 0.284 327.1)
-
Step 600
600
#BA00BE
oklch(55.6% 0.257 327.2)
-
Step 700
700
#9D00A1
oklch(49.1% 0.227 327)
-
Step 800
800
#820085
oklch(42.8% 0.198 327.2)
-
Step 900
900
#6D0070
oklch(37.7% 0.175 327)
-
Step 950
950 (this color)
#501551
oklch(32% 0.118 327.2)
#501551 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) | #0B2A53 | 0.123 |
| Deuteranopia (no green cones) | #23324F | 0.106 |
| Tritanopia (no blue cones) | #521E31 | 0.066 |
| Achromatopsia (no color) | #2F2F2F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #501551
#501551
oklch(32% 0.118 327.2)
- #003F12
#003F12
oklch(32% 0.095 147.2)
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 #501551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.024
- Grape Purple #5D1451 ΔE 0.029
- Deep Violet #490648 ΔE 0.032
- Eggplant Purple #430541 ΔE 0.049
- Royal Purple #4B006E ΔE 0.061
- Aubergine #3D0734 ΔE 0.071
- Rich Purple #720058 ΔE 0.075
- Dark Purple #35063E ΔE 0.077
Use #501551 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.