#473C7B
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.103 288.9), rgb(71, 60, 123).
Aa
White text reads best on this color (9.54:1).
About this color
#473C7B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.103 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #473C7B |
| RGB | rgb(71, 60, 123) |
| HSL | hsl(250, 34%, 36%) |
| OKLCH | oklch(40% 0.103 288.9) |
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 #473C7B | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #473C7B | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #473C7B text on white | 9.54:1 | AAA | Lc 91.9 | Preferred for body text |
| #473C7B text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F4
oklch(88.4% 0.042 288.5)
-
Step 300
300
#BEB9F0
oklch(80.9% 0.077 288.7)
-
Step 400
400
#9E93E9
oklch(70.7% 0.124 288.7)
-
Step 500
500
#8876E2
oklch(63.2% 0.158 288.7)
-
Step 600
600
#735CCF
oklch(55.6% 0.171 288.8)
-
Step 700
700
#614BB4
oklch(49.2% 0.16 288.8)
-
Step 800
800
#4F3E91
oklch(42.7% 0.131 289)
-
Step 900
900 (this color)
#473C7B
oklch(40% 0.103 288.9)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#473C7B 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) | #23477D | 0.054 |
| Deuteranopia (no green cones) | #23447A | 0.052 |
| Tritanopia (no blue cones) | #394955 | 0.087 |
| Achromatopsia (no color) | #454545 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473C7B
#473C7B
oklch(40% 0.103 288.9)
- #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 #473C7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.062
- Cobalt #1E488F ΔE 0.063
- Twilight Blue #0A437A ΔE 0.069
- Dusk #4E5481 ΔE 0.069
- Dusk Blue #26538D ΔE 0.073
- Light Navy #155084 ΔE 0.073
Use #473C7B 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.