#511748
Closest named color: Grape Purple (#5D1451). oklch(31.9% 0.107 334.5), rgb(81, 23, 72).
Aa
White text reads best on this color (13.40:1).
About this color
#511748 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.107 and its hue 335°. 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 13.40:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.56:1 |
| White text | 13.40:1 |
Values
| HEX | #511748 |
| RGB | rgb(81, 23, 72) |
| HSL | hsl(309, 56%, 20%) |
| OKLCH | oklch(31.9% 0.107 334.5) |
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 #511748 | 13.40:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #511748 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #511748 text on white | 13.40:1 | AAA | Lc 99.2 | Preferred for body text |
| #511748 text on black | 1.56:1 | 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
#FDF1FA
oklch(97% 0.017 334.2)
-
Step 100
100
#FAE1F4
oklch(93.6% 0.037 334.1)
-
Step 200
200
#F7C8EC
oklch(88.4% 0.071 334.5)
-
Step 300
300
#F3A1E2
oklch(81% 0.127 334.5)
-
Step 400
400
#E966D3
oklch(70.7% 0.204 334.5)
-
Step 500
500
#DE28C7
oklch(63.1% 0.26 334.3)
-
Step 600
600
#C100AC
oklch(55.7% 0.248 334.5)
-
Step 700
700
#A30091
oklch(49.1% 0.219 334.5)
-
Step 800
800
#870077
oklch(42.7% 0.19 334.9)
-
Step 900
900
#710064
oklch(37.7% 0.168 334.6)
-
Step 950
950 (this color)
#511748
oklch(31.9% 0.107 334.5)
#511748 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) | #162949 | 0.115 |
| Deuteranopia (no green cones) | #2A3247 | 0.098 |
| Tritanopia (no blue cones) | #551B2D | 0.054 |
| Achromatopsia (no color) | #2F2F2F | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511748
#511748
oklch(31.9% 0.107 334.5)
- #003E1F
#003E1F
oklch(31.9% 0.08 154.3)
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 #511748, 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 0.035
- Deep Violet #490648 ΔE 0.036
- Eggplant Purple #430541 ΔE 0.049
- Aubergine #3D0734 ΔE 0.066
- Burgundy #610023 ΔE 0.073
- Eggplant #380835 ΔE 0.074
- Dark Plum #3F012C ΔE 0.075
Use #511748 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.