#511656
Closest named color: Plum Purple (#4E0550). oklch(32.6% 0.121 324.6), rgb(81, 22, 86).
Aa
White text reads best on this color (13.13:1).
About this color
#511656 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.121 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.027 away. White text reads best on it, at 13.13:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.59:1 |
| White text | 13.13:1 |
Values
| HEX | #511656 |
| RGB | rgb(81, 22, 86) |
| HSL | hsl(295, 59%, 21%) |
| OKLCH | oklch(32.6% 0.121 324.6) |
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 #511656 | 13.13:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #511656 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #511656 text on white | 13.13:1 | AAA | Lc 98.7 | Preferred for body text |
| #511656 text on black | 1.59:1 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F4
oklch(93.5% 0.027 323.9)
-
Step 200
200
#EBCEEC
oklch(88.5% 0.051 325)
-
Step 300
300
#DFADE2
oklch(81% 0.091 324.5)
-
Step 400
400
#CD7FD3
oklch(70.8% 0.145 324.4)
-
Step 500
500
#BF5AC7
oklch(63.2% 0.186 324.6)
-
Step 600
600
#AA3AB3
oklch(55.6% 0.203 324.7)
-
Step 700
700
#922B9A
oklch(49.1% 0.188 324.8)
-
Step 800
800
#76267D
oklch(42.7% 0.155 324.4)
-
Step 900
900 (this color)
#511656
oklch(32.6% 0.121 324.6)
-
Step 950
950
#38173B
oklch(27% 0.076 324.2)
#511656 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) | #062C58 | 0.126 |
| Deuteranopia (no green cones) | #223354 | 0.107 |
| Tritanopia (no blue cones) | #532034 | 0.070 |
| Achromatopsia (no color) | #303030 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511656
#511656
oklch(32.6% 0.121 324.6)
- #00410A
#00410A
oklch(32.6% 0.104 144.6)
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 #511656, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.027
- Grape Purple #5D1451 ΔE 0.029
- Deep Violet #490648 ΔE 0.039
- Royal Purple #4B006E ΔE 0.055
- Eggplant Purple #430541 ΔE 0.056
- Rich Purple #720058 ΔE 0.072
- Aubergine #3D0734 ΔE 0.079
- Velvet #750851 ΔE 0.080
Use #511656 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.