#473E71
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.084 290.1), rgb(71, 62, 113).
Aa
White text reads best on this color (9.56:1).
About this color
#473E71 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.084 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #473E71 |
| RGB | rgb(71, 62, 113) |
| HSL | hsl(251, 29%, 34%) |
| OKLCH | oklch(39.8% 0.084 290.1) |
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 #473E71 | 9.56:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #473E71 | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #473E71 text on white | 9.56:1 | AAA | Lc 92.1 | Preferred for body text |
| #473E71 text on black | 2.19:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#BFBAE7
oklch(80.8% 0.063 290)
-
Step 400
400
#A096DC
oklch(70.8% 0.101 290.1)
-
Step 500
500
#897AD2
oklch(63.1% 0.13 290)
-
Step 600
600
#7461BF
oklch(55.5% 0.142 290.3)
-
Step 700
700
#6150A5
oklch(49.1% 0.132 289.9)
-
Step 800
800
#4F4285
oklch(42.6% 0.108 290)
-
Step 900
900 (this color)
#473E71
oklch(39.8% 0.084 290.1)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#473E71 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) | #2D4673 | 0.041 |
| Deuteranopia (no green cones) | #2E4470 | 0.039 |
| Tritanopia (no blue cones) | #3C4852 | 0.071 |
| Achromatopsia (no color) | #454545 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473E71
#473E71
oklch(39.8% 0.084 290.1)
- #4A4B04
#4A4B04
oklch(39.9% 0.085 110.6)
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 #473E71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.061
- Twilight #4E518B ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.066
- Dusk #4E5481 ΔE 0.066
- Twilight Blue #0A437A ΔE 0.068
- Cobalt #1E488F ΔE 0.070
- Light Navy #155084 ΔE 0.072
Use #473E71 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.