#511856
Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.119 324.4), rgb(81, 24, 86).
Aa
White text reads best on this color (13.00:1).
About this color
#511856 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.119 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.028 away. White text reads best on it, at 13.00:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.61:1 |
| White text | 13.00:1 |
Values
| HEX | #511856 |
| RGB | rgb(81, 24, 86) |
| HSL | hsl(295, 56%, 22%) |
| OKLCH | oklch(32.9% 0.119 324.4) |
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 #511856 | 13.00:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #511856 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #511856 text on white | 13.00:1 | AAA | Lc 98.6 | Preferred for body text |
| #511856 text on black | 1.61:1 | 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
#EACFEC
oklch(88.6% 0.049 323.8)
-
Step 300
300
#DEADE1
oklch(80.9% 0.089 324.5)
-
Step 400
400
#CC80D2
oklch(70.8% 0.142 324.3)
-
Step 500
500
#BD5BC6
oklch(63% 0.183 324.2)
-
Step 600
600
#A93DB2
oklch(55.7% 0.198 324.6)
-
Step 700
700
#902D99
oklch(49% 0.184 324.3)
-
Step 800
800
#75287C
oklch(42.7% 0.151 324.3)
-
Step 900
900 (this color)
#511856
oklch(32.9% 0.119 324.4)
-
Step 950
950
#38173B
oklch(27% 0.076 324.2)
#511856 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) | #0A2D58 | 0.122 |
| Deuteranopia (no green cones) | #233354 | 0.104 |
| Tritanopia (no blue cones) | #532235 | 0.069 |
| Achromatopsia (no color) | #313131 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511856
#511856
oklch(32.9% 0.119 324.4)
- #004209
#004209
oklch(32.9% 0.106 144.4)
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 #511856, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.028
- Plum Purple #4E0550 ΔE 0.030
- Deep Violet #490648 ΔE 0.041
- Royal Purple #4B006E ΔE 0.057
- Eggplant Purple #430541 ΔE 0.058
- Rich Purple #720058 ΔE 0.072
- Velvet #750851 ΔE 0.079
- Aubergine #3D0734 ΔE 0.080
Use #511856 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.