#47398E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.135 286.3), rgb(71, 57, 142).
Aa
White text reads best on this color (9.35:1).
About this color
#47398E is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.135 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.012 away. White text reads best on it, at 9.35:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #47398E |
| RGB | rgb(71, 57, 142) |
| HSL | hsl(250, 43%, 39%) |
| OKLCH | oklch(40.8% 0.135 286.3) |
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 #47398E | 9.35:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #47398E | 2.24:1 | Fails | Lc 12.7 | Not readable |
| #47398E text on white | 9.35:1 | AAA | Lc 91.3 | Preferred for body text |
| #47398E text on black | 2.24:1 | Fails | Lc -11.1 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F6
oklch(88.4% 0.045 286.8)
-
Step 300
300
#BCBAF2
oklch(81% 0.079 286.1)
-
Step 400
400
#9B94EB
oklch(70.8% 0.125 286.4)
-
Step 500
500
#8477E5
oklch(63.2% 0.161 286.2)
-
Step 600
600
#6F5CD3
oklch(55.5% 0.176 286.5)
-
Step 700
700
#5D4BB7
oklch(49.1% 0.164 286.3)
-
Step 800
800 (this color)
#47398E
oklch(40.8% 0.135 286.3)
-
Step 900
900
#3F3676
oklch(37.7% 0.106 286.6)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#47398E 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) | #004991 | 0.073 |
| Deuteranopia (no green cones) | #00448C | 0.072 |
| Tritanopia (no blue cones) | #2E4C5E | 0.111 |
| Achromatopsia (no color) | #474747 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47398E
#47398E
oklch(40.8% 0.135 286.3)
- #504C00
#504C00
oklch(40.7% 0.087 106.2)
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 #47398E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.012
- Blueberry #464196 ΔE 0.023
- Rebecca Purple #663399 ΔE 0.060
- Cobalt #1E488F ΔE 0.060
- Twilight #4E518B ΔE 0.067
- Sapphire #2138AB ΔE 0.071
- Dusk Blue #26538D ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.079
Use #47398E 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.