#5C3F8F
Closest named color: Rebecca Purple (#663399). oklch(44% 0.128 297.6), rgb(92, 63, 143).
Aa
White text reads best on this color (8.19:1).
About this color
#5C3F8F is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.128 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 8.19:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #5C3F8F |
| RGB | rgb(92, 63, 143) |
| HSL | hsl(262, 39%, 40%) |
| OKLCH | oklch(44% 0.128 297.6) |
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 #5C3F8F | 8.19:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #5C3F8F | 2.56:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #5C3F8F text on white | 8.19:1 | AAA | Lc 88.1 | Fine for body text |
| #5C3F8F text on black | 2.56:1 | Fails | Lc -14.1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C6B7EB
oklch(80.9% 0.074 297.9)
-
Step 400
400
#A990E1
oklch(70.7% 0.118 297.5)
-
Step 500
500
#9572D9
oklch(63.1% 0.153 297.5)
-
Step 600
600
#8058C6
oklch(55.6% 0.165 297.5)
-
Step 700
700
#6D47AB
oklch(49.1% 0.154 298)
-
Step 800
800 (this color)
#5C3F8F
oklch(44% 0.128 297.6)
-
Step 900
900
#48346F
oklch(37.8% 0.099 297.1)
-
Step 950
950
#2A1F41
oklch(27% 0.062 297)
#5C3F8F 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) | #1D4F92 | 0.087 |
| Deuteranopia (no green cones) | #264E8D | 0.081 |
| Tritanopia (no blue cones) | #514F61 | 0.099 |
| Achromatopsia (no color) | #4F4F4F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3F8F
#5C3F8F
oklch(44% 0.128 297.6)
- #4E5900
#4E5900
oklch(43.9% 0.102 117.7)
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 #5C3F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.039
- Twilight #4E518B ΔE 0.052
- Dusk #4E5481 ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.084
- Cobalt #1E488F ΔE 0.086
- Dusk Blue #26538D ΔE 0.086
Use #5C3F8F 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.