#511B42
Closest named color: Grape Purple (#5D1451). oklch(32.1% 0.096 340), rgb(81, 27, 66).
Aa
White text reads best on this color (13.24:1).
About this color
#511B42 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.096 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.038 away. White text reads best on it, at 13.24:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.58:1 |
| White text | 13.24:1 |
Values
| HEX | #511B42 |
| RGB | rgb(81, 27, 66) |
| HSL | hsl(317, 50%, 21%) |
| OKLCH | oklch(32.1% 0.096 340) |
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 #511B42 | 13.24:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #511B42 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #511B42 text on white | 13.24:1 | AAA | Lc 99.1 | Preferred for body text |
| #511B42 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 950.
-
Step 50
50
#FDF2F9
oklch(97.2% 0.015 338.9)
-
Step 100
100
#FAE2F1
oklch(93.7% 0.033 339.8)
-
Step 200
200
#F7CAE6
oklch(88.6% 0.062 340.7)
-
Step 300
300
#F2A4D8
oklch(81% 0.113 339.9)
-
Step 400
400
#E76DC3
oklch(70.6% 0.18 340.1)
-
Step 500
500
#DD3AB4
oklch(63.2% 0.231 340.1)
-
Step 600
600
#C5009E
oklch(55.6% 0.241 340)
-
Step 700
700
#A70085
oklch(49.1% 0.213 340.2)
-
Step 800
800
#8A006E
oklch(42.8% 0.186 340)
-
Step 900
900
#710E5A
oklch(37.8% 0.152 340.2)
-
Step 950
950 (this color)
#511B42
oklch(32.1% 0.096 340)
#511B42 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) | #1E2A43 | 0.102 |
| Deuteranopia (no green cones) | #2E3341 | 0.090 |
| Tritanopia (no blue cones) | #561C2B | 0.044 |
| Achromatopsia (no color) | #303030 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511B42
#511B42
oklch(32.1% 0.096 340)
- #003E26
#003E26
oklch(32.1% 0.072 160.2)
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 #511B42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.038
- Deep Violet #490648 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.049
- Eggplant Purple #430541 ΔE 0.056
- Burgundy #610023 ΔE 0.064
- Aubergine #3D0734 ΔE 0.067
- Dark Plum #3F012C ΔE 0.075
- Merlot #730039 ΔE 0.076
Use #511B42 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.