#5C2278
Closest named color: Indigo (#4B0082). oklch(38.1% 0.144 312.5), rgb(92, 34, 120).
Aa
White text reads best on this color (10.74:1).
About this color
#5C2278 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.144 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.062 away. White text reads best on it, at 10.74:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #5C2278 |
| RGB | rgb(92, 34, 120) |
| HSL | hsl(280, 56%, 30%) |
| OKLCH | oklch(38.1% 0.144 312.5) |
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 #5C2278 | 10.74:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #5C2278 | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #5C2278 text on white | 10.74:1 | AAA | Lc 94.2 | Preferred for body text |
| #5C2278 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
#E7CEF6
oklch(88.4% 0.06 312.9)
-
Step 300
300
#D9ACF3
oklch(80.9% 0.109 312.8)
-
Step 400
400
#C57CED
oklch(70.7% 0.174 312.5)
-
Step 500
500
#B654E7
oklch(63.1% 0.222 312.5)
-
Step 600
600
#A22FD5
oklch(55.7% 0.241 312.6)
-
Step 700
700
#8A1EB8
oklch(49.1% 0.223 312.5)
-
Step 800
800
#701D95
oklch(42.6% 0.185 312.4)
-
Step 900
900 (this color)
#5C2278
oklch(38.1% 0.144 312.5)
-
Step 950
950
#351546
oklch(27% 0.092 311.9)
#5C2278 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 | 0.130 |
| Deuteranopia (no green cones) | #1A3F76 | 0.119 |
| Tritanopia (no blue cones) | #59344A | 0.097 |
| Achromatopsia (no color) | #3E3E3E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C2278
#5C2278
oklch(38.1% 0.144 312.5)
- #2B4E00
#2B4E00
oklch(38.2% 0.107 132.6)
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 #5C2278, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.062
- Royal Purple #4B006E ΔE 0.064
- Rebecca Purple #663399 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.073
- Rich Purple #720058 ΔE 0.078
- Purple #800080 ΔE 0.078
- Plum Purple #4E0550 ΔE 0.086
Use #5C2278 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.