#502787
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.151 298.5), rgb(80, 39, 135).
Aa
White text reads best on this color (10.59:1).
About this color
#502787 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.151 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 10.59:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.59:1 |
Values
| HEX | #502787 |
| RGB | rgb(80, 39, 135) |
| HSL | hsl(266, 55%, 34%) |
| OKLCH | oklch(38.4% 0.151 298.5) |
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 #502787 | 10.59:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #502787 | 1.98:1 | Fails | Lc 10.0 | Not readable |
| #502787 text on white | 10.59:1 | AAA | Lc 94.0 | Preferred for body text |
| #502787 text on black | 1.98:1 | Fails | Lc -8.6 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE6FE
oklch(93.7% 0.033 297.2)
-
Step 200
200
#DED1FE
oklch(88.6% 0.063 298.3)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5BFF
oklch(63% 0.232 298.5)
-
Step 600
600
#8B37EF
oklch(55.6% 0.253 298.2)
-
Step 700
700
#7726D0
oklch(49.2% 0.235 298.5)
-
Step 800
800
#6023A8
oklch(42.7% 0.195 298.3)
-
Step 900
900 (this color)
#502787
oklch(38.4% 0.151 298.5)
-
Step 950
950
#2E174E
oklch(27% 0.097 299)
#502787 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) | #003F8A | 0.102 |
| Deuteranopia (no green cones) | #003E85 | 0.103 |
| Tritanopia (no blue cones) | #433E54 | 0.114 |
| Achromatopsia (no color) | #3F3F3F | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #502787
#502787
oklch(38.4% 0.151 298.5)
- #3F4900
#3F4900
oklch(38.3% 0.089 118.3)
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 #502787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Indigo #4B0082 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.059
- Blueberry #464196 ΔE 0.063
- Imperial Purple #480CA8 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.068
- Royal Purple #4B006E ΔE 0.072
- Indigo Blue #3A18B1 ΔE 0.086
Use #502787 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.