#473573
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.103 294.4), rgb(71, 53, 115).
Aa
White text reads best on this color (10.37:1).
About this color
#473573 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.103 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.043 away. White text reads best on it, at 10.37:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #473573 |
| RGB | rgb(71, 53, 115) |
| HSL | hsl(257, 37%, 33%) |
| OKLCH | oklch(38.1% 0.103 294.4) |
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 #473573 | 10.37:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #473573 | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #473573 text on white | 10.37:1 | AAA | Lc 93.9 | Preferred for body text |
| #473573 text on black | 2.02:1 | Fails | Lc -8.7 | 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 900.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F3
oklch(88.4% 0.043 294.4)
-
Step 300
300
#C3B7EE
oklch(80.8% 0.078 294.6)
-
Step 400
400
#A690E5
oklch(70.6% 0.123 294.9)
-
Step 500
500
#9173DE
oklch(63.2% 0.157 294.4)
-
Step 600
600
#7C58CB
oklch(55.5% 0.171 294.6)
-
Step 700
700
#6948B0
oklch(49.2% 0.159 294.5)
-
Step 800
800
#553C8E
oklch(42.7% 0.13 294.3)
-
Step 900
900 (this color)
#473573
oklch(38.1% 0.103 294.4)
-
Step 950
950
#291F43
oklch(27.1% 0.065 294.4)
#473573 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) | #1C4175 | 0.064 |
| Deuteranopia (no green cones) | #203F72 | 0.060 |
| Tritanopia (no blue cones) | #3C414E | 0.083 |
| Achromatopsia (no color) | #404040 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473573
#473573
oklch(38.1% 0.103 294.4)
- #424700
#424700
oklch(38% 0.086 114.3)
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 #473573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.043
- Blueberry #464196 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.075
- Cobalt #1E488F ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.083
- Twilight #4E518B ΔE 0.083
- Prussian Blue #1D3557 ΔE 0.083
- Marine Blue #01386A ΔE 0.084
Use #473573 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.