#50307B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.123 300.4), rgb(80, 48, 123).
Aa
White text reads best on this color (10.24:1).
About this color
#50307B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.041 away. White text reads best on it, at 10.24:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.24:1 |
Values
| HEX | #50307B |
| RGB | rgb(80, 48, 123) |
| HSL | hsl(266, 44%, 34%) |
| OKLCH | oklch(38.8% 0.123 300.4) |
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 #50307B | 10.24:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #50307B | 2.04:1 | Fails | Lc 10.5 | Not readable |
| #50307B text on white | 10.24:1 | AAA | Lc 93.4 | Preferred for body text |
| #50307B text on black | 2.04:1 | Fails | Lc -9.1 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DED2F7
oklch(88.5% 0.052 300.1)
-
Step 300
300
#CAB3F4
oklch(80.9% 0.093 300.5)
-
Step 400
400
#B089EE
oklch(70.7% 0.148 300.5)
-
Step 500
500
#9D67E8
oklch(63% 0.189 300.4)
-
Step 600
600
#894AD6
oklch(55.6% 0.205 300.5)
-
Step 700
700
#743ABA
oklch(49.1% 0.191 300.1)
-
Step 800
800
#5F3196
oklch(42.7% 0.158 300.8)
-
Step 900
900 (this color)
#50307B
oklch(38.8% 0.123 300.4)
-
Step 950
950
#2D1B46
oklch(27% 0.078 300.6)
#50307B 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) | #09417D | 0.093 |
| Deuteranopia (no green cones) | #194079 | 0.085 |
| Tritanopia (no blue cones) | #473F50 | 0.093 |
| Achromatopsia (no color) | #414141 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50307B
#50307B
oklch(38.8% 0.123 300.4)
- #3E4B00
#3E4B00
oklch(38.7% 0.092 120.3)
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 #50307B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.065
- Indigo #4B0082 ΔE 0.074
- Royal Purple #4B006E ΔE 0.082
- Twilight #4E518B ΔE 0.087
- Grape Purple #5D1451 ΔE 0.089
- Cobalt #1E488F ΔE 0.090
Use #50307B 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.