#511C45
Closest named color: Grape Purple (#5D1451). oklch(32.4% 0.096 337.4), rgb(81, 28, 69).
Aa
White text reads best on this color (13.10:1).
About this color
#511C45 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.096 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 13.10:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.60:1 |
| White text | 13.10:1 |
Values
| HEX | #511C45 |
| RGB | rgb(81, 28, 69) |
| HSL | hsl(314, 49%, 21%) |
| OKLCH | oklch(32.4% 0.096 337.4) |
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 #511C45 | 13.10:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #511C45 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #511C45 text on white | 13.10:1 | AAA | Lc 98.9 | Preferred for body text |
| #511C45 text on black | 1.60:1 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5EF
oklch(93.7% 0.021 337.7)
-
Step 200
200
#ECD0E3
oklch(88.6% 0.04 337.6)
-
Step 300
300
#E0AFD1
oklch(80.9% 0.072 337.7)
-
Step 400
400
#CF84BA
oklch(70.8% 0.115 337.8)
-
Step 500
500
#C062A9
oklch(63% 0.148 337.3)
-
Step 600
600
#AB4794
oklch(55.6% 0.16 337.4)
-
Step 700
700
#93377E
oklch(49% 0.15 337.6)
-
Step 800
800
#772F67
oklch(42.7% 0.123 337)
-
Step 900
900 (this color)
#511C45
oklch(32.4% 0.096 337.4)
-
Step 950
950
#391931
oklch(26.9% 0.062 337.5)
#511C45 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) | #1D2B46 | 0.103 |
| Deuteranopia (no green cones) | #2D3344 | 0.089 |
| Tritanopia (no blue cones) | #551E2D | 0.046 |
| Achromatopsia (no color) | #303030 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511C45
#511C45
oklch(32.4% 0.096 337.4)
- #003F24
#003F24
oklch(32.4% 0.076 157.7)
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 #511C45, closest first.
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 0.047
- Plum Purple #4E0550 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.057
- Burgundy #610023 ΔE 0.069
- Aubergine #3D0734 ΔE 0.070
- Merlot #730039 ΔE 0.077
- Dark Plum #3F012C ΔE 0.078
Use #511C45 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.