#413F8D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.126 280.5), rgb(65, 63, 141).
Aa
White text reads best on this color (9.05:1).
About this color
#413F8D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.126 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.012 away. White text reads best on it, at 9.05:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.05:1 |
Values
| HEX | #413F8D |
| RGB | rgb(65, 63, 141) |
| HSL | hsl(242, 38%, 40%) |
| OKLCH | oklch(41.4% 0.126 280.5) |
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 #413F8D | 9.05:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #413F8D | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #413F8D text on white | 9.05:1 | AAA | Lc 90.5 | Preferred for body text |
| #413F8D 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
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D3D7F4
oklch(88.5% 0.04 279.3)
-
Step 300
300
#B7BCF0
oklch(80.9% 0.073 280.3)
-
Step 400
400
#9398E8
oklch(70.8% 0.116 280.2)
-
Step 500
500
#7A7CE1
oklch(63.1% 0.149 280.4)
-
Step 600
600
#6563CF
oklch(55.7% 0.162 280.6)
-
Step 700
700
#5451B3
oklch(49.1% 0.151 280.6)
-
Step 800
800 (this color)
#413F8D
oklch(41.4% 0.126 280.5)
-
Step 900
900
#393974
oklch(37.7% 0.099 280.6)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#413F8D 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) | #114C90 | 0.055 |
| Deuteranopia (no green cones) | #05468B | 0.057 |
| Tritanopia (no blue cones) | #21515F | 0.110 |
| Achromatopsia (no color) | #494949 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #413F8D
#413F8D
oklch(41.4% 0.126 280.5)
- #564C00
#564C00
oklch(41.4% 0.086 100.7)
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 #413F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.012
- Blueberry #464196 ΔE 0.018
- Cobalt #1E488F ΔE 0.044
- Twilight #4E518B ΔE 0.056
- Dusk Blue #26538D ΔE 0.060
- Light Navy #155084 ΔE 0.065
- Twilight Blue #0A437A ΔE 0.067
- Sapphire #2138AB ΔE 0.068
Use #413F8D 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.