#51104D
Closest named color: Plum Purple (#4E0550). oklch(31.4% 0.121 330.7), rgb(81, 16, 77).
Aa
White text reads best on this color (13.71:1).
About this color
#51104D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.121 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.019 away. White text reads best on it, at 13.71:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.53:1 |
| White text | 13.71:1 |
Values
| HEX | #51104D |
| RGB | rgb(81, 16, 77) |
| HSL | hsl(304, 67%, 19%) |
| OKLCH | oklch(31.4% 0.121 330.7) |
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 #51104D | 13.71:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #51104D | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #51104D text on white | 13.71:1 | AAA | Lc 99.4 | Preferred for body text |
| #51104D text on black | 1.53:1 | 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
#FDF1FC
oklch(97.1% 0.019 328.3)
-
Step 100
100
#FBE0F7
oklch(93.5% 0.042 330.7)
-
Step 200
200
#F9C7F2
oklch(88.6% 0.079 331)
-
Step 300
300
#F59DEB
oklch(80.9% 0.143 330.9)
-
Step 400
400
#EC5DE1
oklch(70.7% 0.229 330.8)
-
Step 500
500
#E000D7
oklch(63.1% 0.287 330.6)
-
Step 600
600
#BD00B5
oklch(55.5% 0.252 330.7)
-
Step 700
700
#A00099
oklch(49.1% 0.223 330.7)
-
Step 800
800
#84007E
oklch(42.6% 0.194 330.8)
-
Step 900
900
#6F006A
oklch(37.7% 0.171 330.7)
-
Step 950
950 (this color)
#51104D
oklch(31.4% 0.121 330.7)
#51104D 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) | #09284F | 0.131 |
| Deuteranopia (no green cones) | #24304B | 0.110 |
| Tritanopia (no blue cones) | #54182D | 0.065 |
| Achromatopsia (no color) | #2D2D2D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51104D
#51104D
oklch(31.4% 0.121 330.7)
- #003D19
#003D19
oklch(31.5% 0.085 150.9)
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 #51104D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.019
- Deep Violet #490648 ΔE 0.026
- Grape Purple #5D1451 ΔE 0.030
- Eggplant Purple #430541 ΔE 0.043
- Aubergine #3D0734 ΔE 0.065
- Royal Purple #4B006E ΔE 0.066
- Eggplant #380835 ΔE 0.073
- Rich Purple #720058 ΔE 0.074
Use #51104D 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.