#51185F
Closest named color: Grape Purple (#5D1451). oklch(33.5% 0.128 319), rgb(81, 24, 95).
Aa
White text reads best on this color (12.76:1).
About this color
#51185F is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.128 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.037 away. White text reads best on it, at 12.76:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.64:1 |
| White text | 12.76:1 |
Values
| HEX | #51185F |
| RGB | rgb(81, 24, 95) |
| HSL | hsl(288, 60%, 23%) |
| OKLCH | oklch(33.5% 0.128 319) |
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 #51185F | 12.76:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #51185F | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #51185F text on white | 12.76:1 | AAA | Lc 98.1 | Preferred for body text |
| #51185F text on black | 1.64:1 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F6
oklch(93.5% 0.028 318.7)
-
Step 200
200
#E9CFF0
oklch(88.6% 0.053 319)
-
Step 300
300
#DCADE8
oklch(80.9% 0.096 319.3)
-
Step 400
400
#C97FDD
oklch(70.8% 0.153 318.9)
-
Step 500
500
#BA5AD3
oklch(63.2% 0.195 318.9)
-
Step 600
600
#A539C0
oklch(55.6% 0.213 318.8)
-
Step 700
700
#8D2AA5
oklch(49% 0.197 318.9)
-
Step 800
800
#732586
oklch(42.7% 0.164 319)
-
Step 900
900 (this color)
#51185F
oklch(33.5% 0.128 319)
-
Step 950
950
#37173F
oklch(27.1% 0.08 319.2)
#51185F 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) | #002F61 | 0.126 |
| Deuteranopia (no green cones) | #1D345D | 0.109 |
| Tritanopia (no blue cones) | #512639 | 0.081 |
| Achromatopsia (no color) | #323232 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51185F
#51185F
oklch(33.5% 0.128 319)
- #134200
#134200
oklch(33.4% 0.105 138.9)
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 #51185F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.037
- Plum Purple #4E0550 ΔE 0.037
- Royal Purple #4B006E ΔE 0.044
- Deep Violet #490648 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.068
- Indigo #4B0082 ΔE 0.069
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.084
Use #51185F 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.