#473380
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.124 291.5), rgb(71, 51, 128).
Aa
White text reads best on this color (10.22:1).
About this color
#473380 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.124 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 10.22:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #473380 |
| RGB | rgb(71, 51, 128) |
| HSL | hsl(256, 43%, 35%) |
| OKLCH | oklch(38.7% 0.124 291.5) |
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 #473380 | 10.22:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #473380 | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #473380 text on white | 10.22:1 | AAA | Lc 93.4 | Preferred for body text |
| #473380 text on black | 2.05:1 | Fails | Lc -9.1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4FA
oklch(88.6% 0.052 291.3)
-
Step 300
300
#C1B6F9
oklch(80.9% 0.094 291.7)
-
Step 400
400
#A38DF5
oklch(70.6% 0.149 291.8)
-
Step 500
500
#8E6DF1
oklch(63.1% 0.19 291.5)
-
Step 600
600
#7A50E0
oklch(55.6% 0.208 291.6)
-
Step 700
700
#6740C2
oklch(49.1% 0.192 291.5)
-
Step 800
800
#54369D
oklch(42.8% 0.159 291.7)
-
Step 900
900 (this color)
#473380
oklch(38.7% 0.124 291.5)
-
Step 950
950
#281D49
oklch(27% 0.079 291.8)
#473380 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) | #014283 | 0.078 |
| Deuteranopia (no green cones) | #083F7E | 0.076 |
| Tritanopia (no blue cones) | #374454 | 0.101 |
| Achromatopsia (no color) | #414141 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473380
#473380
oklch(38.7% 0.124 291.5)
- #464800
#464800
oklch(38.7% 0.085 111.6)
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 #473380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.048
- Rebecca Purple #663399 ΔE 0.071
- Cobalt #1E488F ΔE 0.073
- Indigo #4B0082 ΔE 0.078
- Twilight Blue #0A437A ΔE 0.079
- Twilight #4E518B ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.086
Use #473380 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.