#51266D
Closest named color: Royal Purple (#4B006E). oklch(36.3% 0.122 309.5), rgb(81, 38, 109).
Aa
White text reads best on this color (11.36:1).
About this color
#51266D is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.122 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.059 away. White text reads best on it, at 11.36:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.84:1 |
| White text | 11.36:1 |
Values
| HEX | #51266D |
| RGB | rgb(81, 38, 109) |
| HSL | hsl(276, 48%, 29%) |
| OKLCH | oklch(36.3% 0.122 309.5) |
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 #51266D | 11.36:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #51266D | 1.84:1 | Fails | Lc 8.1 | Not readable |
| #51266D text on white | 11.36:1 | AAA | Lc 95.7 | Preferred for body text |
| #51266D text on black | 1.84:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E3D0F3
oklch(88.4% 0.052 309.6)
-
Step 300
300
#D2B1EE
oklch(81% 0.091 309)
-
Step 400
400
#BC85E5
oklch(70.8% 0.147 309.5)
-
Step 500
500
#AB62DD
oklch(63.1% 0.187 309.4)
-
Step 600
600
#9744CA
oklch(55.6% 0.204 309.8)
-
Step 700
700
#8035AF
oklch(49.1% 0.188 309.2)
-
Step 800
800
#682D8E
oklch(42.7% 0.157 309.2)
-
Step 900
900 (this color)
#51266D
oklch(36.3% 0.122 309.5)
-
Step 950
950
#321942
oklch(26.9% 0.078 310.3)
#51266D 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) | #05386F | 0.108 |
| Deuteranopia (no green cones) | #1D3B6B | 0.095 |
| Tritanopia (no blue cones) | #4D3445 | 0.086 |
| Achromatopsia (no color) | #3A3A3A | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51266D
#51266D
oklch(36.3% 0.122 309.5)
- #2D4700
#2D4700
oklch(36.3% 0.097 129.4)
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 #51266D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.059
- Grape Purple #5D1451 ΔE 0.060
- Indigo #4B0082 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.072
- Plum Purple #4E0550 ΔE 0.073
- Deep Violet #490648 ΔE 0.085
- Rich Purple #720058 ΔE 0.086
- Rebecca Purple #663399 ΔE 0.087
Use #51266D 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.