#47428C
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.119 283.1), rgb(71, 66, 140).
Aa
White text reads best on this color (8.65:1).
About this color
#47428C is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.119 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.013 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #47428C |
| RGB | rgb(71, 66, 140) |
| HSL | hsl(244, 36%, 40%) |
| OKLCH | oklch(42.4% 0.119 283.1) |
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 #47428C | 8.65:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #47428C | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #47428C text on white | 8.65:1 | AAA | Lc 89.5 | Fine for body text |
| #47428C text on black | 2.42:1 | Fails | Lc -12.7 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D6F3
oklch(88.4% 0.04 284)
-
Step 300
300
#BABBED
oklch(80.8% 0.07 283.8)
-
Step 400
400
#9797E4
oklch(70.7% 0.112 283.2)
-
Step 500
500
#7F7CDC
oklch(63.2% 0.142 283)
-
Step 600
600
#6963C9
oklch(55.6% 0.153 282.9)
-
Step 700
700
#5851AE
oklch(49.1% 0.144 283.1)
-
Step 800
800 (this color)
#47428C
oklch(42.4% 0.119 283.1)
-
Step 900
900
#3C3971
oklch(37.7% 0.093 283.4)
-
Step 950
950
#232242
oklch(27.1% 0.058 283.2)
#47428C 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) | #1E4E8F | 0.054 |
| Deuteranopia (no green cones) | #1A498A | 0.054 |
| Tritanopia (no blue cones) | #2F5260 | 0.102 |
| Achromatopsia (no color) | #4B4B4B | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47428C
#47428C
oklch(42.4% 0.119 283.1)
- #575000
#575000
oklch(42.5% 0.09 103.7)
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 #47428C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.013
- Blueberry #464196 ΔE 0.017
- Twilight #4E518B ΔE 0.044
- Cobalt #1E488F ΔE 0.050
- Dusk Blue #26538D ΔE 0.057
- Dusk #4E5481 ΔE 0.059
- Light Navy #155084 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.066
Use #47428C 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.