#502F8D
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.148 295), rgb(80, 47, 141).
Aa
White text reads best on this color (9.84:1).
About this color
#502F8D is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.148 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 9.84:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.84:1 |
Values
| HEX | #502F8D |
| RGB | rgb(80, 47, 141) |
| HSL | hsl(261, 50%, 37%) |
| OKLCH | oklch(40% 0.148 295) |
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 #502F8D | 9.84:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #502F8D | 2.13:1 | Fails | Lc 11.6 | Not readable |
| #502F8D text on white | 9.84:1 | AAA | Lc 92.4 | Preferred for body text |
| #502F8D text on black | 2.13:1 | Fails | Lc -10.1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DBD2FE
oklch(88.5% 0.061 294.5)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#AA87FF
oklch(70.7% 0.172 295.1)
-
Step 500
500
#9761FF
oklch(63.1% 0.224 294.9)
-
Step 600
600
#843EF0
oklch(55.6% 0.246 295)
-
Step 700
700
#702DD1
oklch(49.1% 0.229 294.9)
-
Step 800
800
#5B28A9
oklch(42.7% 0.19 295)
-
Step 900
900 (this color)
#502F8D
oklch(40% 0.148 295)
-
Step 950
950
#2B194E
oklch(27% 0.093 295.1)
#502F8D 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) | #004490 | 0.095 |
| Deuteranopia (no green cones) | #00428B | 0.095 |
| Tritanopia (no blue cones) | #404559 | 0.117 |
| Achromatopsia (no color) | #434343 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #502F8D
#502F8D
oklch(40% 0.148 295)
- #474D00
#474D00
oklch(40.1% 0.091 114.8)
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 #502F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.048
- Chrysanthemum #560BAD ΔE 0.067
- Imperial Purple #480CA8 ΔE 0.067
- Indigo #4B0082 ΔE 0.071
- Indigo Blue #3A18B1 ΔE 0.083
- Cobalt #1E488F ΔE 0.086
Use #502F8D 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.