#5C2378
Closest named color: Indigo (#4B0082). oklch(38.2% 0.143 312.4), rgb(92, 35, 120).
Aa
White text reads best on this color (10.67:1).
About this color
#5C2378 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.143 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.064 away. White text reads best on it, at 10.67:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #5C2378 |
| RGB | rgb(92, 35, 120) |
| HSL | hsl(280, 55%, 30%) |
| OKLCH | oklch(38.2% 0.143 312.4) |
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 #5C2378 | 10.67:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #5C2378 | 1.96:1 | Fails | Lc 9.8 | Not readable |
| #5C2378 text on white | 10.67:1 | AAA | Lc 94.1 | Preferred for body text |
| #5C2378 text on black | 1.96:1 | Fails | Lc -8.5 | 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
#D8ACF3
oklch(80.8% 0.108 312.2)
-
Step 400
400
#C47DEC
oklch(70.7% 0.171 312.3)
-
Step 500
500
#B555E6
oklch(63.1% 0.219 312.3)
-
Step 600
600
#A130D4
oklch(55.6% 0.239 312.4)
-
Step 700
700
#8A20B8
oklch(49.2% 0.222 312.4)
-
Step 800
800
#701F95
oklch(42.8% 0.183 312.3)
-
Step 900
900 (this color)
#5C2378
oklch(38.2% 0.143 312.4)
-
Step 950
950
#351545
oklch(26.9% 0.09 312.7)
#5C2378 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 | 0.129 |
| Deuteranopia (no green cones) | #1B3F76 | 0.117 |
| Tritanopia (no blue cones) | #59354A | 0.097 |
| Achromatopsia (no color) | #3E3E3E | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C2378
#5C2378
oklch(38.2% 0.143 312.4)
- #2C4E00
#2C4E00
oklch(38.3% 0.107 132.2)
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 #5C2378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.065
- Royal Purple #4B006E ΔE 0.066
- Grape Purple #5D1451 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
- Rich Purple #720058 ΔE 0.078
- Purple #800080 ΔE 0.079
- Blueberry #464196 ΔE 0.087
Use #5C2378 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.