#473B7E
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.109 288.7), rgb(71, 59, 126).
Aa
White text reads best on this color (9.56:1).
About this color
#473B7E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.109 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #473B7E |
| RGB | rgb(71, 59, 126) |
| HSL | hsl(251, 36%, 36%) |
| OKLCH | oklch(40% 0.109 288.7) |
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 #473B7E | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #473B7E | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #473B7E text on white | 9.56:1 | AAA | Lc 92.0 | Preferred for body text |
| #473B7E text on black | 2.19:1 | Fails | Lc -10.4 | 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
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BEB9F3
oklch(81% 0.081 288.4)
-
Step 400
400
#9E92ED
oklch(70.7% 0.131 288.6)
-
Step 500
500
#8874E7
oklch(63.1% 0.167 288.7)
-
Step 600
600
#7359D5
oklch(55.5% 0.182 288.7)
-
Step 700
700
#6148B8
oklch(49% 0.169 288.9)
-
Step 800
800
#4F3C95
oklch(42.7% 0.14 288.9)
-
Step 900
900 (this color)
#473B7E
oklch(40% 0.109 288.7)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#473B7E 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) | #1E4780 | 0.058 |
| Deuteranopia (no green cones) | #1E437C | 0.057 |
| Tritanopia (no blue cones) | #374956 | 0.091 |
| Achromatopsia (no color) | #454545 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473B7E
#473B7E
oklch(40% 0.109 288.7)
- #4C4B00
#4C4B00
oklch(40.1% 0.087 108.9)
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 #473B7E, 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 0.062
- Twilight #4E518B ΔE 0.063
- Twilight Blue #0A437A ΔE 0.070
- Dusk #4E5481 ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Dusk Blue #26538D ΔE 0.074
Use #473B7E 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.