#56406F
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.08 304.7), rgb(86, 64, 111).
Aa
White text reads best on this color (8.90:1).
About this color
#56406F is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.080 and its hue 305°. 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 8.90:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #56406F |
| RGB | rgb(86, 64, 111) |
| HSL | hsl(268, 27%, 34%) |
| OKLCH | oklch(41.6% 0.08 304.7) |
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 #56406F | 8.90:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #56406F | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #56406F text on white | 8.90:1 | AAA | Lc 90.3 | Preferred for body text |
| #56406F text on black | 2.35:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C7BADA
oklch(81% 0.047 303.8)
-
Step 400
400
#AB95C7
oklch(70.7% 0.076 304.6)
-
Step 500
500
#977AB8
oklch(63% 0.096 305.2)
-
Step 600
600
#8163A4
oklch(55.6% 0.103 304.5)
-
Step 700
700
#6D528D
oklch(49.2% 0.096 304.2)
-
Step 800
800 (this color)
#56406F
oklch(41.6% 0.08 304.7)
-
Step 900
900
#49395C
oklch(37.7% 0.061 304.6)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#56406F 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) | #354971 | 0.055 |
| Deuteranopia (no green cones) | #3A4A6E | 0.051 |
| Tritanopia (no blue cones) | #524752 | 0.059 |
| Achromatopsia (no color) | #4A4A4A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56406F
#56406F
oklch(41.6% 0.08 304.7)
- #42531E
#42531E
oklch(41.5% 0.08 124.7)
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 #56406F, 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
- Dusk #4E5481 ΔE 0.058
- Twilight #4E518B ΔE 0.059
- Dusty Grape #545775 ΔE 0.065
- Blueberry #464196 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.081
- Purple Brown #673A3F ΔE 0.083
Use #56406F 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.