#51466B
Closest named color: Dusk (#4E5481). oklch(42.1% 0.062 297.3), rgb(81, 70, 107).
Aa
White text reads best on this color (8.61:1).
About this color
#51466B is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.062 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.047 away. White text reads best on it, at 8.61:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #51466B |
| RGB | rgb(81, 70, 107) |
| HSL | hsl(258, 21%, 35%) |
| OKLCH | oklch(42.1% 0.062 297.3) |
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 #51466B | 8.61:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #51466B | 2.43:1 | Fails | Lc 14.4 | Not readable |
| #51466B text on white | 8.61:1 | AAA | Lc 89.6 | Fine for body text |
| #51466B text on black | 2.43:1 | Fails | Lc -12.7 | 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
#EAE8F0
oklch(93.5% 0.011 297.6)
-
Step 200
200
#DAD7E5
oklch(88.6% 0.019 295.8)
-
Step 300
300
#C3BCD6
oklch(80.9% 0.037 297.9)
-
Step 400
400
#A499C1
oklch(70.6% 0.059 297.5)
-
Step 500
500
#8E80B1
oklch(63.1% 0.074 297.3)
-
Step 600
600
#78699D
oklch(55.6% 0.081 296.9)
-
Step 700
700
#655786
oklch(49% 0.075 297.2)
-
Step 800
800 (this color)
#51466B
oklch(42.1% 0.062 297.3)
-
Step 900
900
#443C58
oklch(37.6% 0.048 297.2)
-
Step 950
950
#282334
oklch(26.9% 0.032 297.7)
#51466B 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) | #3D4C6C | 0.034 |
| Deuteranopia (no green cones) | #3F4B6A | 0.031 |
| Tritanopia (no blue cones) | #4C4C53 | 0.051 |
| Achromatopsia (no color) | #4C4C4C | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51466B
#51466B
oklch(42.1% 0.062 297.3)
- #4B5229
#4B5229
oklch(42.2% 0.062 117.1)
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 #51466B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.050
- Twilight #4E518B ΔE 0.055
- YInMn Blue #415A77 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.067
- Light Navy Blue #2E5A88 ΔE 0.075
- Dusk Blue #26538D ΔE 0.077
Use #51466B 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.