#50316D
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.103 305.9), rgb(80, 49, 109).
Aa
White text reads best on this color (10.49:1).
About this color
#50316D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.103 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 10.49:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #50316D |
| RGB | rgb(80, 49, 109) |
| HSL | hsl(271, 38%, 31%) |
| OKLCH | oklch(38% 0.103 305.9) |
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 #50316D | 10.49:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #50316D | 2.00:1 | Fails | Lc 9.8 | Not readable |
| #50316D text on white | 10.49:1 | AAA | Lc 94.1 | Preferred for body text |
| #50316D text on black | 2.00:1 | Fails | Lc -8.5 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D2F0
oklch(88.4% 0.043 306.5)
-
Step 300
300
#CDB4E9
oklch(80.9% 0.078 306.1)
-
Step 400
400
#B48CDE
oklch(70.8% 0.124 305.9)
-
Step 500
500
#A16CD4
oklch(63% 0.158 305.9)
-
Step 600
600
#8D52C1
oklch(55.7% 0.171 306.1)
-
Step 700
700
#7741A7
oklch(49% 0.16 305.7)
-
Step 800
800
#613787
oklch(42.7% 0.131 305.8)
-
Step 900
900 (this color)
#50316D
oklch(38% 0.103 305.9)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#50316D 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) | #1E3E6F | 0.080 |
| Deuteranopia (no green cones) | #283F6C | 0.072 |
| Tritanopia (no blue cones) | #4B3C4A | 0.076 |
| Achromatopsia (no color) | #3F3F3F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50316D
#50316D
oklch(38% 0.103 305.9)
- #364B00
#364B00
oklch(38.1% 0.097 125.8)
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 #50316D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Grape Purple #5D1451 ΔE 0.074
- Blueberry #464196 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.083
- Royal Purple #4B006E ΔE 0.085
- Indigo #4B0082 ΔE 0.087
- Twilight #4E518B ΔE 0.092
- Plum Purple #4E0550 ΔE 0.093
Use #50316D 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.