#50458A
Closest named color: Dark Slate Blue (#483D8B). oklch(43.6% 0.111 288.3), rgb(80, 69, 138).
Aa
White text reads best on this color (8.20:1).
About this color
#50458A is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.111 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 8.20:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #50458A |
| RGB | rgb(80, 69, 138) |
| HSL | hsl(250, 33%, 41%) |
| OKLCH | oklch(43.6% 0.111 288.3) |
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 #50458A | 8.20:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #50458A | 2.55:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #50458A text on white | 8.20:1 | AAA | Lc 88.2 | Fine for body text |
| #50458A text on black | 2.55:1 | Fails | Lc -14.0 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE9
oklch(81% 0.064 287.9)
-
Step 400
400
#9E96DD
oklch(70.7% 0.103 288.6)
-
Step 500
500
#877BD4
oklch(63.2% 0.131 288.2)
-
Step 600
600
#7162C1
oklch(55.6% 0.143 288.1)
-
Step 700
700
#5F51A7
oklch(49.2% 0.133 288)
-
Step 800
800 (this color)
#50458A
oklch(43.6% 0.111 288.3)
-
Step 900
900
#40396C
oklch(37.7% 0.085 287.9)
-
Step 950
950
#25213F
oklch(26.8% 0.055 288.2)
#50458A 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) | #2A508C | 0.055 |
| Deuteranopia (no green cones) | #2A4D88 | 0.054 |
| Tritanopia (no blue cones) | #405361 | 0.092 |
| Achromatopsia (no color) | #4F4F4F | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50458A
#50458A
oklch(43.6% 0.111 288.3)
- #575500
#575500
oklch(43.7% 0.094 108.2)
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 #50458A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.029
- Twilight #4E518B ΔE 0.033
- Dusk #4E5481 ΔE 0.047
- Rebecca Purple #663399 ΔE 0.061
- Dusk Blue #26538D ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.063
- Cobalt #1E488F ΔE 0.064
Use #50458A 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.