#5C3366
Closest named color: Grape Purple (#5D1451). oklch(39.4% 0.096 319.5), rgb(92, 51, 102).
Aa
White text reads best on this color (9.90:1).
About this color
#5C3366 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.068 away. White text reads best on it, at 9.90:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.12:1 |
| White text | 9.90:1 |
Values
| HEX | #5C3366 |
| RGB | rgb(92, 51, 102) |
| HSL | hsl(288, 33%, 30%) |
| OKLCH | oklch(39.4% 0.096 319.5) |
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 #5C3366 | 9.90:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #5C3366 | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #5C3366 text on white | 9.90:1 | AAA | Lc 92.7 | Preferred for body text |
| #5C3366 text on black | 2.12:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EA
oklch(88.5% 0.04 319.5)
-
Step 300
300
#D5B2DE
oklch(80.8% 0.072 319.3)
-
Step 400
400
#C089CE
oklch(70.8% 0.115 319.3)
-
Step 500
500
#AF69C1
oklch(63.1% 0.147 319.2)
-
Step 600
600
#9B4EAD
oklch(55.6% 0.161 319.7)
-
Step 700
700
#843F94
oklch(49.1% 0.148 319.8)
-
Step 800
800
#6B3478
oklch(42.6% 0.123 319.7)
-
Step 900
900 (this color)
#5C3366
oklch(39.4% 0.096 319.5)
-
Step 950
950
#331C39
oklch(27.1% 0.06 319.1)
#5C3366 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) | #2B4068 | 0.086 |
| Deuteranopia (no green cones) | #364465 | 0.077 |
| Tritanopia (no blue cones) | #5C3A47 | 0.062 |
| Achromatopsia (no color) | #434343 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3366
#5C3366
oklch(39.4% 0.096 319.5)
- #27521C
#27521C
oklch(39.4% 0.096 139.7)
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 #5C3366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.072
- Purple Brown #673A3F ΔE 0.078
- Velvet #750851 ΔE 0.082
- Rich Purple #720058 ΔE 0.083
- Brownish Purple #76424E ΔE 0.086
- Rebecca Purple #663399 ΔE 0.087
- Blueberry #464196 ΔE 0.090
Use #5C3366 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.