#51284A
Closest named color: Grape Purple (#5D1451). oklch(34.5% 0.079 333.8), rgb(81, 40, 74).
Aa
White text reads best on this color (11.98:1).
About this color
#51284A is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.079 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.049 away. White text reads best on it, at 11.98:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.75:1 |
| White text | 11.98:1 |
Values
| HEX | #51284A |
| RGB | rgb(81, 40, 74) |
| HSL | hsl(310, 34%, 24%) |
| OKLCH | oklch(34.5% 0.079 333.8) |
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 #51284A | 11.98:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #51284A | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #51284A text on white | 11.98:1 | AAA | Lc 97.2 | Preferred for body text |
| #51284A text on black | 1.75:1 | 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D2E2
oklch(88.6% 0.031 334)
-
Step 300
300
#D9B3D1
oklch(80.9% 0.059 333.5)
-
Step 400
400
#C58AB9
oklch(70.7% 0.095 334)
-
Step 500
500
#B56CA8
oklch(63.1% 0.121 333.7)
-
Step 600
600
#A05393
oklch(55.7% 0.131 333.8)
-
Step 700
700
#89437D
oklch(49.2% 0.122 334.1)
-
Step 800
800
#6F3766
oklch(42.6% 0.102 333.5)
-
Step 900
900 (this color)
#51284A
oklch(34.5% 0.079 333.8)
-
Step 950
950
#351D30
oklch(27.1% 0.049 334.8)
#51284A 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) | #28334B | 0.078 |
| Deuteranopia (no green cones) | #333949 | 0.071 |
| Tritanopia (no blue cones) | #542A35 | 0.040 |
| Achromatopsia (no color) | #373737 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51284A
#51284A
oklch(34.5% 0.079 333.8)
- #0D4525
#0D4525
oklch(34.6% 0.079 153.4)
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 #51284A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.049
- Plum Purple #4E0550 ΔE 0.070
- Deep Violet #490648 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.076
- Purple Brown #673A3F ΔE 0.078
- Onyx #343A40 ΔE 0.079
- Gunmetal #293241 ΔE 0.081
- Eggplant Purple #430541 ΔE 0.082
Use #51284A 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.