#5C3680
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.123 305.4), rgb(92, 54, 128).
Aa
White text reads best on this color (9.15:1).
About this color
#5C3680 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.123 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 9.15:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #5C3680 |
| RGB | rgb(92, 54, 128) |
| HSL | hsl(271, 41%, 36%) |
| OKLCH | oklch(41.5% 0.123 305.4) |
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 #5C3680 | 9.15:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #5C3680 | 2.29:1 | Fails | Lc 13.2 | Not readable |
| #5C3680 text on white | 9.15:1 | AAA | Lc 90.8 | Preferred for body text |
| #5C3680 text on black | 2.29:1 | Fails | Lc -11.6 | 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 800.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EF
oklch(88.5% 0.04 304.9)
-
Step 300
300
#CBB5E6
oklch(80.8% 0.072 305.2)
-
Step 400
400
#B28EDA
oklch(70.8% 0.114 305.4)
-
Step 500
500
#9F6FCF
oklch(63% 0.147 305.7)
-
Step 600
600
#8A55BC
oklch(55.5% 0.16 305.6)
-
Step 700
700
#7545A2
oklch(49% 0.148 305.4)
-
Step 800
800 (this color)
#5C3680
oklch(41.5% 0.123 305.4)
-
Step 900
900
#4E326A
oklch(37.7% 0.097 305.3)
-
Step 950
950
#2E1E3E
oklch(27.1% 0.061 305.8)
#5C3680 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) | #1B4782 | 0.097 |
| Deuteranopia (no green cones) | #29487E | 0.087 |
| Tritanopia (no blue cones) | #564455 | 0.090 |
| Achromatopsia (no color) | #484848 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3680
#5C3680
oklch(41.5% 0.123 305.4)
- #3E5500
#3E5500
oklch(41.5% 0.105 125.6)
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 #5C3680, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Rebecca Purple #663399 ΔE 0.045
- Blueberry #464196 ΔE 0.056
- Twilight #4E518B ΔE 0.071
- Dusk #4E5481 ΔE 0.081
- Purple #800080 ΔE 0.094
- Indigo #4B0082 ΔE 0.095
- Cobalt #1E488F ΔE 0.096
Use #5C3680 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.