#502783
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.147 299.8), rgb(80, 39, 131).
Aa
White text reads best on this color (10.71:1).
About this color
#502783 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.147 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.052 away. White text reads best on it, at 10.71:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #502783 |
| RGB | rgb(80, 39, 131) |
| HSL | hsl(267, 54%, 33%) |
| OKLCH | oklch(38% 0.147 299.8) |
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 #502783 | 10.71:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #502783 | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #502783 text on white | 10.71:1 | AAA | Lc 94.3 | Preferred for body text |
| #502783 text on black | 1.95:1 | Fails | Lc -8.3 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FD
oklch(93.7% 0.032 299.7)
-
Step 200
200
#DFD1FC
oklch(88.6% 0.06 300)
-
Step 300
300
#CBB1FD
oklch(81% 0.109 299.7)
-
Step 400
400
#B283FD
oklch(70.7% 0.176 299.7)
-
Step 500
500
#A15DFA
oklch(63.2% 0.224 299.9)
-
Step 600
600
#8D3AE9
oklch(55.6% 0.244 299.9)
-
Step 700
700
#7829CB
oklch(49.1% 0.227 299.7)
-
Step 800
800
#6125A4
oklch(42.6% 0.189 299.6)
-
Step 900
900 (this color)
#502783
oklch(38% 0.147 299.8)
-
Step 950
950
#2E184C
oklch(27% 0.092 299.7)
#502783 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) | #003E86 | 0.103 |
| Deuteranopia (no green cones) | #003D81 | 0.104 |
| Tritanopia (no blue cones) | #443D52 | 0.110 |
| Achromatopsia (no color) | #3E3E3E | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #502783
#502783
oklch(38% 0.147 299.8)
- #3D4900
#3D4900
oklch(38.1% 0.09 119.8)
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 #502783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.052
- Indigo #4B0082 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.062
- Blueberry #464196 ΔE 0.066
- Royal Purple #4B006E ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.072
- Chrysanthemum #560BAD ΔE 0.074
- Indigo Blue #3A18B1 ΔE 0.092
Use #502783 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.