#51135D
Closest named color: Plum Purple (#4E0550). oklch(32.8% 0.132 320.5), rgb(81, 19, 93).
Aa
White text reads best on this color (13.11:1).
About this color
#51135D is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.132 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.030 away. White text reads best on it, at 13.11:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #51135D |
| RGB | rgb(81, 19, 93) |
| HSL | hsl(290, 66%, 22%) |
| OKLCH | oklch(32.8% 0.132 320.5) |
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 #51135D | 13.11:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #51135D | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #51135D text on white | 13.11:1 | AAA | Lc 98.6 | Preferred for body text |
| #51135D 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEF0
oklch(88.5% 0.055 320.3)
-
Step 300
300
#DEACE8
oklch(80.9% 0.099 320.7)
-
Step 400
400
#CC7DDC
oklch(70.7% 0.157 320.7)
-
Step 500
500
#BE56D3
oklch(63.2% 0.203 320.6)
-
Step 600
600
#A934C0
oklch(55.6% 0.22 320.5)
-
Step 700
700
#9124A5
oklch(49.1% 0.205 320.8)
-
Step 800
800
#762186
oklch(42.8% 0.17 320.8)
-
Step 900
900 (this color)
#51135D
oklch(32.8% 0.132 320.5)
-
Step 950
950
#38163F
oklch(27.1% 0.083 320.5)
#51135D 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) | #002C5F | 0.131 |
| Deuteranopia (no green cones) | #1B335B | 0.116 |
| Tritanopia (no blue cones) | #512237 | 0.081 |
| Achromatopsia (no color) | #303030 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51135D
#51135D
oklch(32.8% 0.132 320.5)
- #0B4100
#0B4100
oklch(32.8% 0.107 140.6)
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 #51135D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.030
- Grape Purple #5D1451 ΔE 0.037
- Royal Purple #4B006E ΔE 0.042
- Deep Violet #490648 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.062
- Indigo #4B0082 ΔE 0.070
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.084
Use #51135D 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.