#56388B
Closest named color: Dark Slate Blue (#483D8B). oklch(41.9% 0.133 297), rgb(86, 56, 139).
Aa
White text reads best on this color (8.99:1).
About this color
#56388B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.133 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 8.99:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #56388B |
| RGB | rgb(86, 56, 139) |
| HSL | hsl(262, 43%, 38%) |
| OKLCH | oklch(41.9% 0.133 297) |
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 #56388B | 8.99:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #56388B | 2.33:1 | Fails | Lc 13.6 | Not readable |
| #56388B text on white | 8.99:1 | AAA | Lc 90.3 | Preferred for body text |
| #56388B text on black | 2.33:1 | Fails | Lc -12.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C5B7ED
oklch(80.9% 0.077 296.5)
-
Step 400
400
#A98FE4
oklch(70.7% 0.124 297.2)
-
Step 500
500
#9571DC
oklch(63.1% 0.158 297.2)
-
Step 600
600
#8057CA
oklch(55.7% 0.172 296.9)
-
Step 700
700
#6C46AF
oklch(49.1% 0.161 296.7)
-
Step 800
800 (this color)
#56388B
oklch(41.9% 0.133 297)
-
Step 900
900
#483371
oklch(37.7% 0.103 296.8)
-
Step 950
950
#2A1E42
oklch(26.9% 0.066 297.1)
#56388B 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) | #0A498E | 0.093 |
| Deuteranopia (no green cones) | #184889 | 0.087 |
| Tritanopia (no blue cones) | #4A4A5C | 0.104 |
| Achromatopsia (no color) | #494949 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56388B
#56388B
oklch(41.9% 0.133 297)
- #4A5300
#4A5300
oklch(42% 0.097 116.7)
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 #56388B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.037
- Rebecca Purple #663399 ΔE 0.038
- Twilight #4E518B ΔE 0.065
- Dusk #4E5481 ΔE 0.080
- Cobalt #1E488F ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.089
Use #56388B 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.