#51125E
Closest named color: Plum Purple (#4E0550). oklch(32.8% 0.134 320.1), rgb(81, 18, 94).
Aa
White text reads best on this color (13.14:1).
About this color
#51125E is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.134 and its hue 320°. 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 13.14:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #51125E |
| RGB | rgb(81, 18, 94) |
| HSL | hsl(290, 68%, 22%) |
| OKLCH | oklch(32.8% 0.134 320.1) |
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 #51125E | 13.14:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #51125E | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #51125E text on white | 13.14:1 | AAA | Lc 98.6 | Preferred for body text |
| #51125E 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 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
#EACEF1
oklch(88.5% 0.056 319.5)
-
Step 300
300
#DEACE9
oklch(81% 0.1 320.2)
-
Step 400
400
#CC7CDE
oklch(70.7% 0.161 320.1)
-
Step 500
500
#BE55D5
oklch(63.2% 0.206 320.1)
-
Step 600
600
#A932C2
oklch(55.6% 0.224 320)
-
Step 700
700
#9122A7
oklch(49.1% 0.208 320.2)
-
Step 800
800
#762087
oklch(42.7% 0.172 320.4)
-
Step 900
900 (this color)
#51125E
oklch(32.8% 0.134 320.1)
-
Step 950
950
#381540
oklch(27% 0.086 319.8)
#51125E 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) | #002C60 | 0.131 |
| Deuteranopia (no green cones) | #19325C | 0.117 |
| Tritanopia (no blue cones) | #512237 | 0.083 |
| Achromatopsia (no color) | #303030 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51125E
#51125E
oklch(32.8% 0.134 320.1)
- #0E4100
#0E4100
oklch(32.9% 0.106 140)
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 #51125E, 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 0.038
- Royal Purple #4B006E ΔE 0.039
- Deep Violet #490648 ΔE 0.045
- Eggplant Purple #430541 ΔE 0.063
- Indigo #4B0082 ΔE 0.068
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.085
Use #51125E 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.