#50288F
Closest named color: Dark Slate Blue (#483D8B). oklch(39.2% 0.16 295.9), rgb(80, 40, 143).
Aa
White text reads best on this color (10.28:1).
About this color
#50288F is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.160 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #50288F |
| RGB | rgb(80, 40, 143) |
| HSL | hsl(263, 56%, 36%) |
| OKLCH | oklch(39.2% 0.16 295.9) |
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 #50288F | 10.28:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #50288F | 2.04:1 | Fails | Lc 10.7 | Not readable |
| #50288F text on white | 10.28:1 | AAA | Lc 93.2 | Preferred for body text |
| #50288F text on black | 2.04:1 | Fails | Lc -9.3 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FF
oklch(93.6% 0.034 294.9)
-
Step 200
200
#DCD1FF
oklch(88.4% 0.064 296)
-
Step 300
300
#C6B2FF
oklch(80.8% 0.109 295.8)
-
Step 400
400
#AB86FF
oklch(70.7% 0.173 295.7)
-
Step 500
500
#9960FF
oklch(63.1% 0.225 295.8)
-
Step 600
600
#8831F8
oklch(55.5% 0.266 296)
-
Step 700
700
#741FD9
oklch(49.2% 0.248 295.9)
-
Step 800
800
#5E1FAF
oklch(42.7% 0.205 296)
-
Step 900
900 (this color)
#50288F
oklch(39.2% 0.16 295.9)
-
Step 950
950
#2C1751
oklch(27% 0.101 295.5)
#50288F 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) | #004192 | 0.100 |
| Deuteranopia (no green cones) | #003F8D | 0.100 |
| Tritanopia (no blue cones) | #3F4258 | 0.124 |
| Achromatopsia (no color) | #414141 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50288F
#50288F
oklch(39.2% 0.16 295.9)
- #444B00
#444B00
oklch(39.3% 0.09 115.7)
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 #50288F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Rebecca Purple #663399 ΔE 0.053
- Imperial Purple #480CA8 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.057
- Blueberry #464196 ΔE 0.057
- Indigo #4B0082 ΔE 0.059
- Indigo Blue #3A18B1 ΔE 0.076
- Royal Purple #4B006E ΔE 0.082
Use #50288F 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.