#473B7B
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.105 289.4), rgb(71, 59, 123).
Aa
White text reads best on this color (9.63:1).
About this color
#473B7B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 9.63:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #473B7B |
| RGB | rgb(71, 59, 123) |
| HSL | hsl(251, 35%, 36%) |
| OKLCH | oklch(39.8% 0.105 289.4) |
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 #473B7B | 9.63:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #473B7B | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #473B7B text on white | 9.63:1 | AAA | Lc 92.1 | Preferred for body text |
| #473B7B text on black | 2.17:1 | Fails | Lc -10.3 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F5
oklch(88.5% 0.044 289.8)
-
Step 300
300
#BFB9F1
oklch(81% 0.079 289.4)
-
Step 400
400
#9F92E9
oklch(70.6% 0.126 289.6)
-
Step 500
500
#8975E3
oklch(63.1% 0.161 289.3)
-
Step 600
600
#745BD1
oklch(55.7% 0.175 289.2)
-
Step 700
700
#624AB5
oklch(49.2% 0.162 289.4)
-
Step 800
800
#503D92
oklch(42.7% 0.134 289.8)
-
Step 900
900 (this color)
#473B7B
oklch(39.8% 0.105 289.4)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#473B7B 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) | #21467D | 0.056 |
| Deuteranopia (no green cones) | #22437A | 0.053 |
| Tritanopia (no blue cones) | #394855 | 0.086 |
| Achromatopsia (no color) | #454545 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473B7B
#473B7B
oklch(39.8% 0.105 289.4)
- #4B4A00
#4B4A00
oklch(39.7% 0.086 108.9)
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 #473B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.046
- Cobalt #1E488F ΔE 0.064
- Twilight #4E518B ΔE 0.065
- Twilight Blue #0A437A ΔE 0.069
- Dusk #4E5481 ΔE 0.072
- Dusk Blue #26538D ΔE 0.075
- Light Navy #155084 ΔE 0.075
Use #473B7B 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.