#50287D
Closest named color: Dark Slate Blue (#483D8B). oklch(37.7% 0.138 301.7), rgb(80, 40, 125).
Aa
White text reads best on this color (10.82:1).
About this color
#50287D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.138 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 10.82:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.82:1 |
Values
| HEX | #50287D |
| RGB | rgb(80, 40, 125) |
| HSL | hsl(268, 52%, 32%) |
| OKLCH | oklch(37.7% 0.138 301.7) |
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 #50287D | 10.82:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #50287D | 1.94:1 | Fails | Lc 9.4 | Not readable |
| #50287D text on white | 10.82:1 | AAA | Lc 94.5 | Preferred for body text |
| #50287D text on black | 1.94:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FB
oklch(93.7% 0.029 301)
-
Step 200
200
#E0D1FA
oklch(88.6% 0.058 301.9)
-
Step 300
300
#CCB1F9
oklch(80.9% 0.103 301.3)
-
Step 400
400
#B484F6
oklch(70.7% 0.167 301.7)
-
Step 500
500
#A260F2
oklch(63.1% 0.211 301.4)
-
Step 600
600
#8E3FE0
oklch(55.5% 0.23 301.6)
-
Step 700
700
#792FC3
oklch(49.1% 0.214 301.5)
-
Step 800
800
#62299D
oklch(42.6% 0.177 301.6)
-
Step 900
900 (this color)
#50287D
oklch(37.7% 0.138 301.7)
-
Step 950
950
#2F1949
oklch(27.1% 0.087 302.1)
#50287D 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) | #003D80 | 0.103 |
| Deuteranopia (no green cones) | #033D7B | 0.103 |
| Tritanopia (no blue cones) | #473B4F | 0.102 |
| Achromatopsia (no color) | #3D3D3D | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50287D
#50287D
oklch(37.7% 0.138 301.7)
- #3A4800
#3A4800
oklch(37.6% 0.091 121.4)
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 #50287D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Indigo #4B0082 ΔE 0.056
- Royal Purple #4B006E ΔE 0.066
- Rebecca Purple #663399 ΔE 0.067
- Blueberry #464196 ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.084
- Grape Purple #5D1451 ΔE 0.086
Use #50287D 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.