#511F4F
Closest named color: Grape Purple (#5D1451). oklch(33.3% 0.1 329.1), rgb(81, 31, 79).
Aa
White text reads best on this color (12.66:1).
About this color
#511F4F is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.100 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.030 away. White text reads best on it, at 12.66:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #511F4F |
| RGB | rgb(81, 31, 79) |
| HSL | hsl(302, 45%, 22%) |
| OKLCH | oklch(33.3% 0.1 329.1) |
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 #511F4F | 12.66:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #511F4F | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #511F4F text on white | 12.66:1 | AAA | Lc 98.2 | Preferred for body text |
| #511F4F text on black | 1.65:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#E9D0E7
oklch(88.5% 0.041 328.4)
-
Step 300
300
#DDB0D9
oklch(81% 0.075 329.2)
-
Step 400
400
#CA84C5
oklch(70.6% 0.121 329.3)
-
Step 500
500
#BB63B6
oklch(63.1% 0.154 329.3)
-
Step 600
600
#A647A2
oklch(55.5% 0.168 329.2)
-
Step 700
700
#8E388B
oklch(49.1% 0.156 329)
-
Step 800
800
#742F71
oklch(42.8% 0.13 329.3)
-
Step 900
900 (this color)
#511F4F
oklch(33.3% 0.1 329.1)
-
Step 950
950
#371A35
oklch(27% 0.063 329.7)
#511F4F 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) | #1B2F51 | 0.102 |
| Deuteranopia (no green cones) | #2B354E | 0.089 |
| Tritanopia (no blue cones) | #542433 | 0.056 |
| Achromatopsia (no color) | #333333 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511F4F
#511F4F
oklch(33.3% 0.1 329.1)
- #004318
#004318
oklch(33.4% 0.095 148.9)
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 #511F4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.030
- Plum Purple #4E0550 ΔE 0.045
- Deep Violet #490648 ΔE 0.050
- Eggplant Purple #430541 ΔE 0.063
- Rich Purple #720058 ΔE 0.076
- Royal Purple #4B006E ΔE 0.076
- Velvet #750851 ΔE 0.078
- Aubergine #3D0734 ΔE 0.081
Use #511F4F 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.