#50257D
Closest named color: Indigo (#4B0082). oklch(37.3% 0.142 302.3), rgb(80, 37, 125).
Aa
White text reads best on this color (11.04:1).
About this color
#50257D is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.142 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.050 away. White text reads best on it, at 11.04:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #50257D |
| RGB | rgb(80, 37, 125) |
| HSL | hsl(269, 54%, 32%) |
| OKLCH | oklch(37.3% 0.142 302.3) |
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 #50257D | 11.04:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #50257D | 1.90:1 | Fails | Lc 9.0 | Not readable |
| #50257D text on white | 11.04:1 | AAA | Lc 94.9 | Preferred for body text |
| #50257D text on black | 1.90:1 | Fails | Lc -7.7 | 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
#EDE5FC
oklch(93.5% 0.032 301.6)
-
Step 200
200
#E0D0FA
oklch(88.4% 0.059 302.5)
-
Step 300
300
#CEB0FA
oklch(80.9% 0.107 302.7)
-
Step 400
400
#B683F7
oklch(70.8% 0.17 302.6)
-
Step 500
500
#A45DF4
oklch(63.1% 0.218 302.1)
-
Step 600
600
#903BE2
oklch(55.5% 0.237 302.3)
-
Step 700
700
#7B2BC5
oklch(49.1% 0.22 302.2)
-
Step 800
800
#64269F
oklch(42.7% 0.183 302.4)
-
Step 900
900 (this color)
#50257D
oklch(37.3% 0.142 302.3)
-
Step 950
950
#2F184A
oklch(27% 0.09 301.9)
#50257D 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) | #003B80 | 0.106 |
| Deuteranopia (no green cones) | #003C7B | 0.107 |
| Tritanopia (no blue cones) | #47394E | 0.104 |
| Achromatopsia (no color) | #3C3C3C | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50257D
#50257D
oklch(37.3% 0.142 302.3)
- #384700
#384700
oklch(37.1% 0.09 122.3)
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 #50257D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.059
- Royal Purple #4B006E ΔE 0.060
- Rebecca Purple #663399 ΔE 0.070
- Blueberry #464196 ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.080
- Chrysanthemum #560BAD ΔE 0.083
- Grape Purple #5D1451 ΔE 0.084
Use #50257D 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.