#56336F
Closest named color: Dark Slate Blue (#483D8B). oklch(39.2% 0.104 309.3), rgb(86, 51, 111).
Aa
White text reads best on this color (10.00:1).
About this color
#56336F is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.104 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.00:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #56336F |
| RGB | rgb(86, 51, 111) |
| HSL | hsl(275, 37%, 32%) |
| OKLCH | oklch(39.2% 0.104 309.3) |
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 #56336F | 10.00:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #56336F | 2.09:1 | Fails | Lc 11.0 | Not readable |
| #56336F text on white | 10.00:1 | AAA | Lc 93.0 | Preferred for body text |
| #56336F text on black | 2.09:1 | Fails | Lc -9.5 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D0B3E7
oklch(80.9% 0.078 309.9)
-
Step 400
400
#B88ADB
oklch(70.7% 0.125 309.6)
-
Step 500
500
#A66AD1
oklch(63.1% 0.16 309.4)
-
Step 600
600
#914FBE
oklch(55.5% 0.173 309.3)
-
Step 700
700
#7C3FA4
oklch(49.1% 0.162 309.5)
-
Step 800
800
#653585
oklch(42.8% 0.134 309.6)
-
Step 900
900 (this color)
#56336F
oklch(39.2% 0.104 309.3)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#56336F 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) | #234171 | 0.084 |
| Deuteranopia (no green cones) | #2D436D | 0.077 |
| Tritanopia (no blue cones) | #533D4C | 0.073 |
| Achromatopsia (no color) | #424242 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56336F
#56336F
oklch(39.2% 0.104 309.3)
- #335000
#335000
oklch(39.3% 0.105 129.5)
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 #56336F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Blueberry #464196 ΔE 0.074
- Rebecca Purple #663399 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.076
- Twilight #4E518B ΔE 0.085
- Dusk #4E5481 ΔE 0.089
- Royal Purple #4B006E ΔE 0.093
- Rich Purple #720058 ΔE 0.093
Use #56336F 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.