#473370
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.102 296.3), rgb(71, 51, 112).
Aa
White text reads best on this color (10.63:1).
About this color
#473370 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.102 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 10.63:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #473370 |
| RGB | rgb(71, 51, 112) |
| HSL | hsl(260, 37%, 32%) |
| OKLCH | oklch(37.5% 0.102 296.3) |
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 #473370 | 10.63:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #473370 | 1.97:1 | Fails | Lc 9.5 | Not readable |
| #473370 text on white | 10.63:1 | AAA | Lc 94.5 | Preferred for body text |
| #473370 text on black | 1.97:1 | Fails | Lc -8.1 | 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 900.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F3
oklch(88.5% 0.043 295.9)
-
Step 300
300
#C5B7ED
oklch(80.9% 0.077 296.5)
-
Step 400
400
#A890E4
oklch(70.8% 0.122 296.3)
-
Step 500
500
#9372DC
oklch(63.1% 0.156 296)
-
Step 600
600
#7F58C9
oklch(55.7% 0.169 296.4)
-
Step 700
700
#6B47AE
oklch(49.1% 0.158 296.2)
-
Step 800
800
#573B8D
oklch(42.7% 0.131 296.2)
-
Step 900
900 (this color)
#473370
oklch(37.5% 0.102 296.3)
-
Step 950
950
#2A1F42
oklch(27.1% 0.064 296.4)
#473370 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) | #1B3F72 | 0.066 |
| Deuteranopia (no green cones) | #203E6F | 0.062 |
| Tritanopia (no blue cones) | #3E3F4C | 0.081 |
| Achromatopsia (no color) | #3E3E3E | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473370
#473370
oklch(37.5% 0.102 296.3)
- #3F4600
#3F4600
oklch(37.5% 0.086 116.1)
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 #473370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Blueberry #464196 ΔE 0.069
- Twilight Blue #0A437A ΔE 0.078
- Prussian Blue #1D3557 ΔE 0.081
- Dark Grey Blue #29465B ΔE 0.084
- Cobalt #1E488F ΔE 0.084
- Marine Blue #01386A ΔE 0.084
- Indigo #4B0082 ΔE 0.087
Use #473370 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.