#473E78
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.095 288.5), rgb(71, 62, 120).
Aa
White text reads best on this color (9.42:1).
About this color
#473E78 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.095 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 9.42:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #473E78 |
| RGB | rgb(71, 62, 120) |
| HSL | hsl(249, 32%, 36%) |
| OKLCH | oklch(40.2% 0.095 288.5) |
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 #473E78 | 9.42:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #473E78 | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #473E78 text on white | 9.42:1 | AAA | Lc 91.7 | Preferred for body text |
| #473E78 text on black | 2.22:1 | Fails | Lc -10.7 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#BEBBE3
oklch(80.8% 0.056 288.5)
-
Step 400
400
#9E98D5
oklch(70.7% 0.088 288.4)
-
Step 500
500
#877DCA
oklch(63.1% 0.114 288.6)
-
Step 600
600
#7165B7
oklch(55.5% 0.125 288.4)
-
Step 700
700
#5F549D
oklch(49.1% 0.114 288.4)
-
Step 800
800 (this color)
#473E78
oklch(40.2% 0.095 288.5)
-
Step 900
900
#403A66
oklch(37.6% 0.074 288.6)
-
Step 950
950
#26223C
oklch(27% 0.048 289.9)
#473E78 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) | #29477A | 0.046 |
| Deuteranopia (no green cones) | #294577 | 0.045 |
| Tritanopia (no blue cones) | #3A4A55 | 0.080 |
| Achromatopsia (no color) | #464646 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473E78
#473E78
oklch(40.2% 0.095 288.5)
- #4D4B00
#4D4B00
oklch(40.2% 0.087 108)
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 #473E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.050
- Twilight #4E518B ΔE 0.059
- Cobalt #1E488F ΔE 0.063
- Dusk #4E5481 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.067
- Light Navy #155084 ΔE 0.070
- Dusk Blue #26538D ΔE 0.070
Use #473E78 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.