#5C3F89
Closest named color: Dark Slate Blue (#483D8B). oklch(43.6% 0.12 299.5), rgb(92, 63, 137).
Aa
White text reads best on this color (8.30:1).
About this color
#5C3F89 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.120 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #5C3F89 |
| RGB | rgb(92, 63, 137) |
| HSL | hsl(264, 37%, 39%) |
| OKLCH | oklch(43.6% 0.12 299.5) |
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 #5C3F89 | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #5C3F89 | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #5C3F89 text on white | 8.30:1 | AAA | Lc 88.5 | Fine for body text |
| #5C3F89 text on black | 2.52:1 | Fails | Lc -13.7 | 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
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4F0
oklch(88.5% 0.039 298.7)
-
Step 300
300
#C7B7E8
oklch(80.9% 0.07 299.8)
-
Step 400
400
#AB90DC
oklch(70.6% 0.112 299.9)
-
Step 500
500
#9773D3
oklch(63.1% 0.144 299.6)
-
Step 600
600
#8259C0
oklch(55.6% 0.157 299.7)
-
Step 700
700
#6E49A5
oklch(49.1% 0.144 299.7)
-
Step 800
800 (this color)
#5C3F89
oklch(43.6% 0.12 299.5)
-
Step 900
900
#49346B
oklch(37.6% 0.093 299.5)
-
Step 950
950
#2B1F3F
oklch(27% 0.059 299.7)
#5C3F89 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) | #244E8C | 0.083 |
| Deuteranopia (no green cones) | #2C4E87 | 0.077 |
| Tritanopia (no blue cones) | #534D5E | 0.091 |
| Achromatopsia (no color) | #4E4E4E | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3F89
#5C3F89
oklch(43.6% 0.12 299.5)
- #4B5900
#4B5900
oklch(43.6% 0.103 119.7)
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 #5C3F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Rebecca Purple #663399 ΔE 0.042
- Blueberry #464196 ΔE 0.043
- Twilight #4E518B ΔE 0.050
- Dusk #4E5481 ΔE 0.063
- Dusty Grape #545775 ΔE 0.081
- Denim Blue #3B5B92 ΔE 0.084
- Dusk Blue #26538D ΔE 0.085
Use #5C3F89 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.