#47428D
Closest named color: Dark Slate Blue (#483D8B). oklch(42.5% 0.12 283), rgb(71, 66, 141).
Aa
White text reads best on this color (8.63:1).
About this color
#47428D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.120 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 8.63:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #47428D |
| RGB | rgb(71, 66, 141) |
| HSL | hsl(244, 36%, 41%) |
| OKLCH | oklch(42.5% 0.12 283) |
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 #47428D | 8.63:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #47428D | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #47428D text on white | 8.63:1 | AAA | Lc 89.4 | Fine for body text |
| #47428D text on black | 2.43:1 | Fails | Lc -12.8 | 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
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F3
oklch(88.4% 0.04 284)
-
Step 300
300
#BABBED
oklch(80.8% 0.07 283.8)
-
Step 400
400
#9797E5
oklch(70.7% 0.113 283.1)
-
Step 500
500
#7F7BDD
oklch(63.1% 0.144 283.3)
-
Step 600
600
#6962CA
oklch(55.5% 0.156 283.1)
-
Step 700
700
#5851AF
oklch(49.1% 0.145 283)
-
Step 800
800 (this color)
#47428D
oklch(42.5% 0.12 283)
-
Step 900
900
#3C3971
oklch(37.7% 0.093 283.4)
-
Step 950
950
#232242
oklch(27.1% 0.058 283.2)
#47428D 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) | #1D4E90 | 0.054 |
| Deuteranopia (no green cones) | #18498B | 0.056 |
| Tritanopia (no blue cones) | #2E5261 | 0.102 |
| Achromatopsia (no color) | #4C4C4C | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47428D
#47428D
oklch(42.5% 0.12 283)
- #585000
#585000
oklch(42.6% 0.089 102.9)
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 #47428D, 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 0.015
- Twilight #4E518B ΔE 0.045
- Cobalt #1E488F ΔE 0.050
- Dusk Blue #26538D ΔE 0.057
- Dusk #4E5481 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.065
- Light Navy #155084 ΔE 0.066
Use #47428D 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.