#5D2178
Closest named color: Indigo (#4B0082). oklch(38.1% 0.146 313.2), rgb(93, 33, 120).
Aa
White text reads best on this color (10.74:1).
About this color
#5D2178 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.146 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.063 away. White text reads best on it, at 10.74:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #5D2178 |
| RGB | rgb(93, 33, 120) |
| HSL | hsl(281, 57%, 30%) |
| OKLCH | oklch(38.1% 0.146 313.2) |
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 #5D2178 | 10.74:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #5D2178 | 1.95:1 | Fails | Lc 9.8 | Not readable |
| #5D2178 text on white | 10.74:1 | AAA | Lc 94.2 | Preferred for body text |
| #5D2178 text on black | 1.95:1 | Fails | Lc -8.4 | 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
#F1E4F9
oklch(93.5% 0.031 312.9)
-
Step 200
200
#E8CEF6
oklch(88.5% 0.061 313.8)
-
Step 300
300
#DAACF3
oklch(81% 0.109 313.4)
-
Step 400
400
#C67BED
oklch(70.6% 0.176 313)
-
Step 500
500
#B852E7
oklch(63.1% 0.225 313.3)
-
Step 600
600
#A32CD5
oklch(55.6% 0.244 313.1)
-
Step 700
700
#8C1BB8
oklch(49.1% 0.226 313.4)
-
Step 800
800
#711B95
oklch(42.6% 0.188 313.1)
-
Step 900
900 (this color)
#5D2178
oklch(38.1% 0.146 313.2)
-
Step 950
950
#361446
oklch(27% 0.094 313.2)
#5D2178 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) | #003B7B | 0.132 |
| Deuteranopia (no green cones) | #1A3F76 | 0.121 |
| Tritanopia (no blue cones) | #5A334A | 0.096 |
| Achromatopsia (no color) | #3E3E3E | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D2178
#5D2178
oklch(38.1% 0.146 313.2)
- #2A4E00
#2A4E00
oklch(38.2% 0.108 133.1)
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 #5D2178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.063
- Royal Purple #4B006E ΔE 0.065
- Rebecca Purple #663399 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.075
- Purple #800080 ΔE 0.076
- Rich Purple #720058 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.086
Use #5D2178 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.