#473781
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.12 289.7), rgb(71, 55, 129).
Aa
White text reads best on this color (9.85:1).
About this color
#473781 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.120 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 9.85:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #473781 |
| RGB | rgb(71, 55, 129) |
| HSL | hsl(253, 40%, 36%) |
| OKLCH | oklch(39.5% 0.12 289.7) |
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 #473781 | 9.85:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #473781 | 2.13:1 | Fails | Lc 11.3 | Not readable |
| #473781 text on white | 9.85:1 | AAA | Lc 92.6 | Preferred for body text |
| #473781 text on black | 2.13:1 | Fails | Lc -9.8 | 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
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#BFB7F7
oklch(80.8% 0.09 290)
-
Step 400
400
#A08FF3
oklch(70.6% 0.144 290)
-
Step 500
500
#8A70EF
oklch(63.1% 0.183 289.5)
-
Step 600
600
#7654DD
oklch(55.6% 0.199 289.8)
-
Step 700
700
#6443C0
oklch(49.1% 0.186 290)
-
Step 800
800
#51389B
oklch(42.6% 0.154 289.9)
-
Step 900
900 (this color)
#473781
oklch(39.5% 0.12 289.7)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#473781 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) | #0F4584 | 0.070 |
| Deuteranopia (no green cones) | #12427F | 0.068 |
| Tritanopia (no blue cones) | #364756 | 0.099 |
| Achromatopsia (no color) | #434343 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473781
#473781
oklch(39.5% 0.12 289.7)
- #4A4A00
#4A4A00
oklch(39.6% 0.086 109.8)
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 #473781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.041
- Cobalt #1E488F ΔE 0.066
- Rebecca Purple #663399 ΔE 0.069
- Twilight #4E518B ΔE 0.072
- Twilight Blue #0A437A ΔE 0.074
- Dusk Blue #26538D ΔE 0.082
- Light Navy #155084 ΔE 0.083
Use #473781 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.