#5C1783
Closest named color: Indigo (#4B0082). oklch(37.8% 0.168 309.2), rgb(92, 23, 131).
Aa
White text reads best on this color (11.02:1).
About this color
#5C1783 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.168 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.047 away. White text reads best on it, at 11.02:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 11.02:1 |
Values
| HEX | #5C1783 |
| RGB | rgb(92, 23, 131) |
| HSL | hsl(278, 70%, 30%) |
| OKLCH | oklch(37.8% 0.168 309.2) |
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 #5C1783 | 11.02:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #5C1783 | 1.90:1 | Fails | Lc 9.5 | Not readable |
| #5C1783 text on white | 11.02:1 | AAA | Lc 94.4 | Preferred for body text |
| #5C1783 text on black | 1.90:1 | Fails | Lc -8.2 | 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
#F9F3FE
oklch(97.2% 0.016 310.1)
-
Step 100
100
#F1E4FD
oklch(93.7% 0.036 308.9)
-
Step 200
200
#E7CDFD
oklch(88.5% 0.07 309.3)
-
Step 300
300
#D9AAFE
oklch(81% 0.125 309.4)
-
Step 400
400
#C676FE
oklch(70.8% 0.202 309.3)
-
Step 500
500
#B746FB
oklch(63.1% 0.258 309.3)
-
Step 600
600
#A305EA
oklch(55.6% 0.28 309.3)
-
Step 700
700
#8A00C7
oklch(49.1% 0.249 309.3)
-
Step 800
800
#7102A5
oklch(42.7% 0.216 308.9)
-
Step 900
900 (this color)
#5C1783
oklch(37.8% 0.168 309.2)
-
Step 950
950
#36114C
oklch(27.1% 0.106 309.8)
#5C1783 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) | #003986 | 0.134 |
| Deuteranopia (no green cones) | #003D81 | 0.137 |
| Tritanopia (no blue cones) | #56334E | 0.114 |
| Achromatopsia (no color) | #3C3C3C | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C1783
#5C1783
oklch(37.8% 0.168 309.2)
- #304B00
#304B00
oklch(37.7% 0.1 129.3)
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 #5C1783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.047
- Royal Purple #4B006E ΔE 0.059
- Rebecca Purple #663399 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.073
- Purple #800080 ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.081
- Grape Purple #5D1451 ΔE 0.087
Use #5C1783 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.