#473E8B
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.123 285), rgb(71, 62, 139).
Aa
White text reads best on this color (9.01:1).
About this color
#473E8B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.123 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.003 away. White text reads best on it, at 9.01:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.01:1 |
Values
| HEX | #473E8B |
| RGB | rgb(71, 62, 139) |
| HSL | hsl(247, 38%, 39%) |
| OKLCH | oklch(41.5% 0.123 285) |
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 #473E8B | 9.01:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #473E8B | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #473E8B text on white | 9.01:1 | AAA | Lc 90.5 | Preferred for body text |
| #473E8B text on black | 2.32:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BBBBEE
oklch(80.9% 0.072 284.7)
-
Step 400
400
#9996E6
oklch(70.7% 0.116 284.7)
-
Step 500
500
#827ADE
oklch(63.2% 0.147 285)
-
Step 600
600
#6C60CC
oklch(55.5% 0.161 284.9)
-
Step 700
700
#5B4FB0
oklch(49.1% 0.149 285.1)
-
Step 800
800 (this color)
#473E8B
oklch(41.5% 0.123 285)
-
Step 900
900
#3D3872
oklch(37.7% 0.096 284.7)
-
Step 950
950
#242143
oklch(27% 0.062 285.5)
#473E8B 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) | #154B8E | 0.061 |
| Deuteranopia (no green cones) | #114789 | 0.062 |
| Tritanopia (no blue cones) | #304F5E | 0.104 |
| Achromatopsia (no color) | #494949 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473E8B
#473E8B
oklch(41.5% 0.123 285)
- #534E00
#534E00
oklch(41.5% 0.088 105.4)
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 #473E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.003
- Blueberry #464196 ΔE 0.019
- Cobalt #1E488F ΔE 0.054
- Twilight #4E518B ΔE 0.054
- Rebecca Purple #663399 ΔE 0.063
- Dusk Blue #26538D ΔE 0.065
- Dusk #4E5481 ΔE 0.069
- Light Navy #155084 ΔE 0.072
Use #473E8B 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.