#50318B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.143 295), rgb(80, 49, 139).
Aa
White text reads best on this color (9.75:1).
About this color
#50318B is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.143 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #50318B |
| RGB | rgb(80, 49, 139) |
| HSL | hsl(261, 48%, 37%) |
| OKLCH | oklch(40.1% 0.143 295) |
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 #50318B | 9.75:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #50318B | 2.15:1 | Fails | Lc 11.8 | Not readable |
| #50318B text on white | 9.75:1 | AAA | Lc 92.2 | Preferred for body text |
| #50318B text on black | 2.15:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DBD2FD
oklch(88.5% 0.059 294.8)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#AA87FE
oklch(70.7% 0.171 295.2)
-
Step 500
500
#9763FC
oklch(63.1% 0.218 295.1)
-
Step 600
600
#8342EC
oklch(55.6% 0.238 294.9)
-
Step 700
700
#6F31CD
oklch(49% 0.221 294.9)
-
Step 800
800
#5A2BA6
oklch(42.7% 0.184 294.8)
-
Step 900
900 (this color)
#50318B
oklch(40.1% 0.143 295)
-
Step 950
950
#2B1A4D
oklch(27.1% 0.09 295.1)
#50318B 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) | #00458E | 0.094 |
| Deuteranopia (no green cones) | #004389 | 0.094 |
| Tritanopia (no blue cones) | #414659 | 0.113 |
| Achromatopsia (no color) | #444444 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50318B
#50318B
oklch(40.1% 0.143 295)
- #474D00
#474D00
oklch(40.1% 0.091 114.8)
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 #50318B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.043
- Rebecca Purple #663399 ΔE 0.048
- Chrysanthemum #560BAD ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.073
- Indigo #4B0082 ΔE 0.075
- Twilight #4E518B ΔE 0.082
- Cobalt #1E488F ΔE 0.083
Use #50318B 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.