#5C1D78
Closest named color: Indigo (#4B0082). oklch(37.5% 0.151 313.1), rgb(92, 29, 120).
Aa
White text reads best on this color (11.04:1).
About this color
#5C1D78 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.151 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.057 away. White text reads best on it, at 11.04:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #5C1D78 |
| RGB | rgb(92, 29, 120) |
| HSL | hsl(282, 61%, 29%) |
| OKLCH | oklch(37.5% 0.151 313.1) |
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 #5C1D78 | 11.04:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #5C1D78 | 1.90:1 | Fails | Lc 9.2 | Not readable |
| #5C1D78 text on white | 11.04:1 | AAA | Lc 94.7 | Preferred for body text |
| #5C1D78 text on black | 1.90:1 | Fails | Lc -7.9 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4FA
oklch(93.6% 0.033 313.5)
-
Step 200
200
#E8CEF7
oklch(88.6% 0.062 313.2)
-
Step 300
300
#DAABF5
oklch(80.9% 0.113 312.8)
-
Step 400
400
#C77AEF
oklch(70.7% 0.18 313)
-
Step 500
500
#B94FEA
oklch(63.1% 0.232 313.2)
-
Step 600
600
#A426D8
oklch(55.5% 0.251 312.9)
-
Step 700
700
#8D13BB
oklch(49.1% 0.234 313.2)
-
Step 800
800
#721797
oklch(42.6% 0.193 313.1)
-
Step 900
900 (this color)
#5C1D78
oklch(37.5% 0.151 313.1)
-
Step 950
950
#361347
oklch(26.9% 0.097 312.7)
#5C1D78 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) | #00397B | 0.134 |
| Deuteranopia (no green cones) | #143D76 | 0.127 |
| Tritanopia (no blue cones) | #593149 | 0.099 |
| Achromatopsia (no color) | #3C3C3C | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C1D78
#5C1D78
oklch(37.5% 0.151 313.1)
- #294C00
#294C00
oklch(37.5% 0.106 133)
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 #5C1D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.057
- Royal Purple #4B006E ΔE 0.058
- Grape Purple #5D1451 ΔE 0.068
- Rebecca Purple #663399 ΔE 0.071
- Rich Purple #720058 ΔE 0.077
- Purple #800080 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.080
- Plum Purple #4E0550 ΔE 0.082
Use #5C1D78 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.