#5A3368
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.097 316.6), rgb(90, 51, 104).
Aa
White text reads best on this color (9.96:1).
About this color
#5A3368 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.097 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.068 away. White text reads best on it, at 9.96:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #5A3368 |
| RGB | rgb(90, 51, 104) |
| HSL | hsl(284, 34%, 30%) |
| OKLCH | oklch(39.3% 0.097 316.6) |
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 #5A3368 | 9.96:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #5A3368 | 2.10:1 | Fails | Lc 11.1 | Not readable |
| #5A3368 text on white | 9.96:1 | AAA | Lc 92.9 | Preferred for body text |
| #5A3368 text on black | 2.10:1 | Fails | Lc -9.6 | 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 900.
-
Step 50
50
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E4D1EB
oklch(88.4% 0.041 317)
-
Step 300
300
#D4B3E0
oklch(81% 0.072 317)
-
Step 400
400
#BE89D1
oklch(70.7% 0.117 316.9)
-
Step 500
500
#AD6AC5
oklch(63.2% 0.149 316.7)
-
Step 600
600
#984FB1
oklch(55.6% 0.162 316.8)
-
Step 700
700
#813F98
oklch(49% 0.15 316.5)
-
Step 800
800
#69357C
oklch(42.7% 0.125 316.2)
-
Step 900
900 (this color)
#5A3368
oklch(39.3% 0.097 316.6)
-
Step 950
950
#321C3A
oklch(27% 0.061 316.6)
#5A3368 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) | #29406A | 0.085 |
| Deuteranopia (no green cones) | #344467 | 0.076 |
| Tritanopia (no blue cones) | #5A3B48 | 0.065 |
| Achromatopsia (no color) | #434343 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3368
#5A3368
oklch(39.3% 0.097 316.6)
- #2B5117
#2B5117
oklch(39.3% 0.097 136.6)
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 #5A3368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.068
- Grape Purple #5D1451 ΔE 0.070
- Purple Brown #673A3F ΔE 0.083
- Rebecca Purple #663399 ΔE 0.084
- Rich Purple #720058 ΔE 0.085
- Velvet #750851 ΔE 0.086
- Blueberry #464196 ΔE 0.086
- Twilight #4E518B ΔE 0.090
Use #5A3368 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.