#51446B
Closest named color: Dusk (#4E5481). oklch(41.7% 0.065 298.9), rgb(81, 68, 107).
Aa
White text reads best on this color (8.79:1).
About this color
#51446B is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.065 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.052 away. White text reads best on it, at 8.79:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #51446B |
| RGB | rgb(81, 68, 107) |
| HSL | hsl(260, 22%, 34%) |
| OKLCH | oklch(41.7% 0.065 298.9) |
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 #51446B | 8.79:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #51446B | 2.38:1 | Fails | Lc 13.9 | Not readable |
| #51446B text on white | 8.79:1 | AAA | Lc 90.0 | Preferred for body text |
| #51446B text on black | 2.38:1 | Fails | Lc -12.2 | 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 800.
-
Step 50
50
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8F0
oklch(93.6% 0.011 303.1)
-
Step 200
200
#DBD6E6
oklch(88.5% 0.022 300.2)
-
Step 300
300
#C3BCD6
oklch(80.9% 0.037 297.9)
-
Step 400
400
#A599C2
oklch(70.7% 0.06 298.2)
-
Step 500
500
#907FB3
oklch(63.1% 0.079 299.1)
-
Step 600
600
#7A689E
oklch(55.6% 0.084 299)
-
Step 700
700
#675687
oklch(49% 0.079 299.4)
-
Step 800
800 (this color)
#51446B
oklch(41.7% 0.065 298.9)
-
Step 900
900
#453C59
oklch(37.8% 0.05 298.2)
-
Step 950
950
#282334
oklch(26.9% 0.032 297.7)
#51446B 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) | #3B4B6D | 0.038 |
| Deuteranopia (no green cones) | #3D4A6A | 0.035 |
| Tritanopia (no blue cones) | #4C4A52 | 0.052 |
| Achromatopsia (no color) | #4B4B4B | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51446B
#51446B
oklch(41.7% 0.065 298.9)
- #485126
#485126
oklch(41.6% 0.065 119.1)
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 #51446B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.052
- Dusty Grape #545775 ΔE 0.055
- Twilight #4E518B ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.063
- YInMn Blue #415A77 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.068
- Blueberry #464196 ΔE 0.076
- Light Navy Blue #2E5A88 ΔE 0.079
Use #51446B 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.