#473A8E
Closest named color: Dark Slate Blue (#483D8B). oklch(41% 0.134 286), rgb(71, 58, 142).
Aa
White text reads best on this color (9.27:1).
About this color
#473A8E is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.134 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.010 away. White text reads best on it, at 9.27:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #473A8E |
| RGB | rgb(71, 58, 142) |
| HSL | hsl(249, 42%, 39%) |
| OKLCH | oklch(41% 0.134 286) |
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 #473A8E | 9.27:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #473A8E | 2.26:1 | Fails | Lc 12.9 | Not readable |
| #473A8E text on white | 9.27:1 | AAA | Lc 91.1 | Preferred for body text |
| #473A8E text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F5
oklch(88.6% 0.042 285.5)
-
Step 300
300
#BCBAF1
oklch(80.9% 0.077 286.2)
-
Step 400
400
#9A94EB
oklch(70.7% 0.126 285.9)
-
Step 500
500
#8377E4
oklch(63.1% 0.159 285.9)
-
Step 600
600
#6E5DD2
oklch(55.6% 0.173 285.9)
-
Step 700
700
#5C4CB6
oklch(49.1% 0.161 285.7)
-
Step 800
800 (this color)
#473A8E
oklch(41% 0.134 286)
-
Step 900
900
#3E3675
oklch(37.6% 0.104 286)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#473A8E 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) | #004991 | 0.072 |
| Deuteranopia (no green cones) | #00458C | 0.071 |
| Tritanopia (no blue cones) | #2E4D5E | 0.112 |
| Achromatopsia (no color) | #474747 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473A8E
#473A8E
oklch(41% 0.134 286)
- #514D00
#514D00
oklch(41.1% 0.088 106.2)
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 #473A8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.010
- Blueberry #464196 ΔE 0.021
- Cobalt #1E488F ΔE 0.058
- Rebecca Purple #663399 ΔE 0.060
- Twilight #4E518B ΔE 0.065
- Sapphire #2138AB ΔE 0.071
- Dusk Blue #26538D ΔE 0.074
- Twilight Blue #0A437A ΔE 0.079
Use #473A8E 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.