#51436B
Closest named color: Dusk (#4E5481). oklch(41.5% 0.067 299.6), rgb(81, 67, 107).
Aa
White text reads best on this color (8.87:1).
About this color
#51436B is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.067 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.054 away. White text reads best on it, at 8.87:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #51436B |
| RGB | rgb(81, 67, 107) |
| HSL | hsl(261, 23%, 34%) |
| OKLCH | oklch(41.5% 0.067 299.6) |
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 #51436B | 8.87:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #51436B | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #51436B text on white | 8.87:1 | AAA | Lc 90.3 | Preferred for body text |
| #51436B text on black | 2.36:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DBD6E6
oklch(88.5% 0.022 300.2)
-
Step 300
300
#C4BBD7
oklch(80.8% 0.04 300.2)
-
Step 400
400
#A698C3
oklch(70.7% 0.064 299.7)
-
Step 500
500
#907FB3
oklch(63.1% 0.079 299.1)
-
Step 600
600
#7B679F
oklch(55.5% 0.088 300)
-
Step 700
700
#675688
oklch(49.1% 0.08 299.1)
-
Step 800
800 (this color)
#51436B
oklch(41.5% 0.067 299.6)
-
Step 900
900
#463B5A
oklch(37.7% 0.054 300.1)
-
Step 950
950
#292334
oklch(27.1% 0.032 300.5)
#51436B 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) | #394A6D | 0.040 |
| Deuteranopia (no green cones) | #3C4A6A | 0.038 |
| Tritanopia (no blue cones) | #4C4952 | 0.052 |
| Achromatopsia (no color) | #4A4A4A | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51436B
#51436B
oklch(41.5% 0.067 299.6)
- #475124
#475124
oklch(41.5% 0.068 119.8)
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 #51436B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.054
- Dusty Grape #545775 ΔE 0.058
- Twilight #4E518B ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.061
- YInMn Blue #415A77 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.068
- Blueberry #464196 ΔE 0.075
- Purple Brown #673A3F ΔE 0.079
Use #51436B 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.