#51145F
Closest named color: Plum Purple (#4E0550). oklch(33.1% 0.133 319.3), rgb(81, 20, 95).
Aa
White text reads best on this color (13.00:1).
About this color
#51145F is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.133 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.033 away. White text reads best on it, at 13.00:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.61:1 |
| White text | 13.00:1 |
Values
| HEX | #51145F |
| RGB | rgb(81, 20, 95) |
| HSL | hsl(289, 65%, 23%) |
| OKLCH | oklch(33.1% 0.133 319.3) |
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 #51145F | 13.00:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #51145F | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #51145F text on white | 13.00:1 | AAA | Lc 98.4 | Preferred for body text |
| #51145F text on black | 1.61:1 | 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
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEF1
oklch(88.5% 0.056 319.5)
-
Step 300
300
#DDACE9
oklch(80.9% 0.099 319.6)
-
Step 400
400
#CB7DDE
oklch(70.7% 0.159 319.6)
-
Step 500
500
#BC56D5
oklch(63% 0.204 319.3)
-
Step 600
600
#A834C2
oklch(55.6% 0.222 319.5)
-
Step 700
700
#9024A8
oklch(49.2% 0.207 319.4)
-
Step 800
800
#752188
oklch(42.7% 0.171 319.5)
-
Step 900
900 (this color)
#51145F
oklch(33.1% 0.133 319.3)
-
Step 950
950
#371640
oklch(27% 0.084 318.6)
#51145F 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) | #002D61 | 0.129 |
| Deuteranopia (no green cones) | #1A335D | 0.115 |
| Tritanopia (no blue cones) | #512338 | 0.082 |
| Achromatopsia (no color) | #313131 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51145F
#51145F
oklch(33.1% 0.133 319.3)
- #114100
#114100
oklch(33% 0.105 139.3)
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 #51145F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.033
- Grape Purple #5D1451 ΔE 0.039
- Royal Purple #4B006E ΔE 0.040
- Deep Violet #490648 ΔE 0.048
- Eggplant Purple #430541 ΔE 0.065
- Indigo #4B0082 ΔE 0.067
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.085
Use #51145F 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.