#51296D
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.117 308.9), rgb(81, 41, 109).
Aa
White text reads best on this color (11.12:1).
About this color
#51296D is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.117 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.063 away. White text reads best on it, at 11.12:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.12:1 |
Values
| HEX | #51296D |
| RGB | rgb(81, 41, 109) |
| HSL | hsl(275, 45%, 29%) |
| OKLCH | oklch(36.8% 0.117 308.9) |
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 #51296D | 11.12:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #51296D | 1.88:1 | Fails | Lc 8.6 | Not readable |
| #51296D text on white | 11.12:1 | AAA | Lc 95.3 | Preferred for body text |
| #51296D text on black | 1.88:1 | Fails | Lc -7.3 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E2D1F2
oklch(88.5% 0.048 308.5)
-
Step 300
300
#D1B1EC
oklch(80.8% 0.088 309.1)
-
Step 400
400
#BA87E3
oklch(70.8% 0.14 308.7)
-
Step 500
500
#A965DA
oklch(63.1% 0.179 309)
-
Step 600
600
#9448C8
oklch(55.6% 0.195 308.7)
-
Step 700
700
#7E38AD
oklch(49.1% 0.182 308.6)
-
Step 800
800
#67308C
oklch(42.8% 0.15 308.9)
-
Step 900
900 (this color)
#51296D
oklch(36.8% 0.117 308.9)
-
Step 950
950
#311A41
oklch(26.9% 0.074 309.5)
#51296D 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) | #0E3A6F | 0.101 |
| Deuteranopia (no green cones) | #203C6B | 0.089 |
| Tritanopia (no blue cones) | #4D3647 | 0.082 |
| Achromatopsia (no color) | #3B3B3B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51296D
#51296D
oklch(36.8% 0.117 308.9)
- #2F4800
#2F4800
oklch(36.7% 0.097 128.6)
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 #51296D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.063
- Royal Purple #4B006E ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.067
- Indigo #4B0082 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.085
- Blueberry #464196 ΔE 0.087
- Rich Purple #720058 ΔE 0.088
Use #51296D 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.