#511456
Closest named color: Plum Purple (#4E0550). oklch(32.4% 0.124 324.7), rgb(81, 20, 86).
Aa
White text reads best on this color (13.25:1).
About this color
#511456 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.124 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 0.024 away. White text reads best on it, at 13.25:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.58:1 |
| White text | 13.25:1 |
Values
| HEX | #511456 |
| RGB | rgb(81, 20, 86) |
| HSL | hsl(295, 62%, 21%) |
| OKLCH | oklch(32.4% 0.124 324.7) |
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 #511456 | 13.25:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #511456 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #511456 text on white | 13.25:1 | AAA | Lc 98.8 | Preferred for body text |
| #511456 text on black | 1.58:1 | 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
#DFACE2
oklch(80.8% 0.093 324.6)
-
Step 400
400
#CE7ED4
oklch(70.8% 0.149 324.5)
-
Step 500
500
#C058C8
oklch(63.1% 0.191 324.7)
-
Step 600
600
#AB38B4
oklch(55.6% 0.207 324.8)
-
Step 700
700
#93299B
oklch(49.2% 0.192 324.9)
-
Step 800
800
#77247E
oklch(42.7% 0.159 324.6)
-
Step 900
900 (this color)
#511456
oklch(32.4% 0.124 324.7)
-
Step 950
950
#39163B
oklch(27% 0.079 325.4)
#511456 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) | #032B58 | 0.130 |
| Deuteranopia (no green cones) | #213254 | 0.109 |
| Tritanopia (no blue cones) | #531F33 | 0.073 |
| Achromatopsia (no color) | #303030 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511456
#511456
oklch(32.4% 0.124 324.7)
- #00400A
#00400A
oklch(32.3% 0.102 144.7)
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 #511456, 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 0.030
- Deep Violet #490648 ΔE 0.037
- Royal Purple #4B006E ΔE 0.053
- Eggplant Purple #430541 ΔE 0.054
- Rich Purple #720058 ΔE 0.072
- Aubergine #3D0734 ΔE 0.078
- Velvet #750851 ΔE 0.080
Use #511456 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.