#56438E
Closest named color: Dark Slate Blue (#483D8B). oklch(44.1% 0.119 292.5), rgb(86, 67, 142).
Aa
White text reads best on this color (8.11:1).
About this color
#56438E is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.119 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #56438E |
| RGB | rgb(86, 67, 142) |
| HSL | hsl(255, 36%, 41%) |
| OKLCH | oklch(44.1% 0.119 292.5) |
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 #56438E | 8.11:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #56438E | 2.58:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #56438E text on white | 8.11:1 | AAA | Lc 87.9 | Fine for body text |
| #56438E text on black | 2.58:1 | Fails | Lc -14.3 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C1B9EB
oklch(80.9% 0.07 292.1)
-
Step 400
400
#A393E0
oklch(70.7% 0.112 292.9)
-
Step 500
500
#8D77D7
oklch(63.1% 0.142 292.4)
-
Step 600
600
#785DC5
oklch(55.6% 0.156 292.6)
-
Step 700
700
#654CAA
oklch(49% 0.145 292.5)
-
Step 800
800 (this color)
#56438E
oklch(44.1% 0.119 292.5)
-
Step 900
900
#44366E
oklch(37.7% 0.093 292.9)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#56438E 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) | #245191 | 0.071 |
| Deuteranopia (no green cones) | #284E8C | 0.067 |
| Tritanopia (no blue cones) | #485262 | 0.096 |
| Achromatopsia (no color) | #505050 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56438E
#56438E
oklch(44.1% 0.119 292.5)
- #545800
#545800
oklch(44.2% 0.098 112.8)
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 #56438E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.031
- Twilight #4E518B ΔE 0.040
- Rebecca Purple #663399 ΔE 0.049
- Dusk #4E5481 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.071
- Dusk Blue #26538D ΔE 0.072
- Cobalt #1E488F ΔE 0.074
Use #56438E 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.