#50438D
Closest named color: Dark Slate Blue (#483D8B). oklch(43.4% 0.118 288.6), rgb(80, 67, 141).
Aa
White text reads best on this color (8.30:1).
About this color
#50438D is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.118 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #50438D |
| RGB | rgb(80, 67, 141) |
| HSL | hsl(251, 36%, 41%) |
| OKLCH | oklch(43.4% 0.118 288.6) |
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 #50438D | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #50438D | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #50438D text on white | 8.30:1 | AAA | Lc 88.5 | Fine for body text |
| #50438D text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F2
oklch(88.6% 0.038 287.2)
-
Step 300
300
#BEBAEB
oklch(80.9% 0.069 288.5)
-
Step 400
400
#9E95E1
oklch(70.7% 0.11 288.7)
-
Step 500
500
#8779D9
oklch(63.1% 0.141 288.4)
-
Step 600
600
#7260C6
oklch(55.6% 0.153 288.5)
-
Step 700
700
#604FAB
oklch(49.2% 0.142 288.6)
-
Step 800
800 (this color)
#50438D
oklch(43.4% 0.118 288.6)
-
Step 900
900
#41386F
oklch(37.8% 0.092 288.8)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#50438D 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) | #235090 | 0.063 |
| Deuteranopia (no green cones) | #234C8B | 0.061 |
| Tritanopia (no blue cones) | #3E5261 | 0.098 |
| Achromatopsia (no color) | #4E4E4E | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50438D
#50438D
oklch(43.4% 0.118 288.6)
- #565400
#565400
oklch(43.4% 0.094 108.1)
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 #50438D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.024
- Twilight #4E518B ΔE 0.039
- Dusk #4E5481 ΔE 0.055
- Rebecca Purple #663399 ΔE 0.055
- Cobalt #1E488F ΔE 0.064
- Dusk Blue #26538D ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.068
Use #50438D 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.