#51205D
Closest named color: Grape Purple (#5D1451). oklch(34.4% 0.113 319.3), rgb(81, 32, 93).
Aa
White text reads best on this color (12.24:1).
About this color
#51205D is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.113 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.037 away. White text reads best on it, at 12.24:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #51205D |
| RGB | rgb(81, 32, 93) |
| HSL | hsl(288, 49%, 25%) |
| OKLCH | oklch(34.4% 0.113 319.3) |
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 #51205D | 12.24:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #51205D | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #51205D text on white | 12.24:1 | AAA | Lc 97.4 | Preferred for body text |
| #51205D text on black | 1.71:1 | 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
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E7D0ED
oklch(88.5% 0.046 319.2)
-
Step 300
300
#D9AFE4
oklch(80.9% 0.086 319.2)
-
Step 400
400
#C583D6
oklch(70.7% 0.137 319.2)
-
Step 500
500
#B561CB
oklch(63.1% 0.174 319)
-
Step 600
600
#A144B7
oklch(55.7% 0.189 319.5)
-
Step 700
700
#89349E
oklch(49% 0.176 319.1)
-
Step 800
800
#702D80
oklch(42.8% 0.145 319.4)
-
Step 900
900 (this color)
#51205D
oklch(34.4% 0.113 319.3)
-
Step 950
950
#35193C
oklch(27% 0.072 319.3)
#51205D 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) | #10325F | 0.110 |
| Deuteranopia (no green cones) | #24375B | 0.095 |
| Tritanopia (no blue cones) | #512A3B | 0.071 |
| Achromatopsia (no color) | #353535 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51205D
#51205D
oklch(34.4% 0.113 319.3)
- #134500
#134500
oklch(34.3% 0.109 139.2)
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 #51205D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.037
- Plum Purple #4E0550 ΔE 0.048
- Royal Purple #4B006E ΔE 0.059
- Deep Violet #490648 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.075
- Rich Purple #720058 ΔE 0.075
- Indigo #4B0082 ΔE 0.079
- Velvet #750851 ΔE 0.081
Use #51205D 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.