#511B45
Closest named color: Grape Purple (#5D1451). oklch(32.2% 0.098 337.3), rgb(81, 27, 69).
Aa
White text reads best on this color (13.18:1).
About this color
#511B45 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.098 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.035 away. White text reads best on it, at 13.18:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.59:1 |
| White text | 13.18:1 |
Values
| HEX | #511B45 |
| RGB | rgb(81, 27, 69) |
| HSL | hsl(313, 50%, 21%) |
| OKLCH | oklch(32.2% 0.098 337.3) |
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 #511B45 | 13.18:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #511B45 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #511B45 text on white | 13.18:1 | AAA | Lc 99.0 | Preferred for body text |
| #511B45 text on black | 1.59:1 | 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
#FAE2F2
oklch(93.7% 0.033 338)
-
Step 200
200
#F6C9E9
oklch(88.4% 0.066 336.7)
-
Step 300
300
#F1A3DC
oklch(80.9% 0.117 337)
-
Step 400
400
#E66CC9
oklch(70.6% 0.185 337.4)
-
Step 500
500
#DC38BB
oklch(63.2% 0.237 337.6)
-
Step 600
600
#C300A5
oklch(55.6% 0.245 337.2)
-
Step 700
700
#A5008B
oklch(49.1% 0.216 337.3)
-
Step 800
800
#880073
oklch(42.7% 0.188 337)
-
Step 900
900
#700C5E
oklch(37.7% 0.155 337.4)
-
Step 950
950 (this color)
#511B45
oklch(32.2% 0.098 337.3)
#511B45 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) | #1C2B46 | 0.105 |
| Deuteranopia (no green cones) | #2D3344 | 0.091 |
| Tritanopia (no blue cones) | #551D2D | 0.046 |
| Achromatopsia (no color) | #303030 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511B45
#511B45
oklch(32.2% 0.098 337.3)
- #003F23
#003F23
oklch(32.4% 0.077 156.9)
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 #511B45, closest first.
No curated palette has a color within ΔE 0.04 of #511B45.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.035
- Deep Violet #490648 ΔE 0.045
- Plum Purple #4E0550 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.055
- Burgundy #610023 ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
- Dark Plum #3F012C ΔE 0.077
- Eggplant #380835 ΔE 0.077
Use #511B45 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.