#50418B
Closest named color: Dark Slate Blue (#483D8B). oklch(42.9% 0.118 289.8), rgb(80, 65, 139).
Aa
White text reads best on this color (8.50:1).
About this color
#50418B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.118 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.018 away. White text reads best on it, at 8.50:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.47:1 |
| White text | 8.50:1 |
Values
| HEX | #50418B |
| RGB | rgb(80, 65, 139) |
| HSL | hsl(252, 36%, 40%) |
| OKLCH | oklch(42.9% 0.118 289.8) |
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 #50418B | 8.50:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #50418B | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #50418B text on white | 8.50:1 | AAA | Lc 89.1 | Fine for body text |
| #50418B text on black | 2.47:1 | Fails | Lc -13.2 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#BFBAEB
oklch(81% 0.069 289.4)
-
Step 400
400
#9F94E1
oklch(70.6% 0.111 289.8)
-
Step 500
500
#8978D8
oklch(63% 0.141 289.9)
-
Step 600
600
#745FC6
oklch(55.6% 0.154 289.8)
-
Step 700
700
#614EAB
oklch(49.1% 0.143 289.5)
-
Step 800
800 (this color)
#50418B
oklch(42.9% 0.118 289.8)
-
Step 900
900
#42376F
oklch(37.7% 0.093 290.2)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#50418B 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) | #214E8E | 0.065 |
| Deuteranopia (no green cones) | #224B89 | 0.063 |
| Tritanopia (no blue cones) | #40505F | 0.097 |
| Achromatopsia (no color) | #4D4D4D | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50418B
#50418B
oklch(42.9% 0.118 289.8)
- #535300
#535300
oklch(42.8% 0.093 109.8)
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 #50418B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.018
- Blueberry #464196 ΔE 0.024
- Twilight #4E518B ΔE 0.043
- Rebecca Purple #663399 ΔE 0.054
- Dusk #4E5481 ΔE 0.058
- Cobalt #1E488F ΔE 0.065
- Dusk Blue #26538D ΔE 0.068
- Denim Blue #3B5B92 ΔE 0.073
Use #50418B 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.