#413E7B
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.1 283.1), rgb(65, 62, 123).
Aa
White text reads best on this color (9.54:1).
About this color
#413E7B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.100 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #413E7B |
| RGB | rgb(65, 62, 123) |
| HSL | hsl(243, 33%, 36%) |
| OKLCH | oklch(39.9% 0.1 283.1) |
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 #413E7B | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #413E7B | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #413E7B text on white | 9.54:1 | AAA | Lc 91.9 | Preferred for body text |
| #413E7B text on black | 2.19:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#B9BBF0
oklch(80.9% 0.075 282.9)
-
Step 400
400
#9696E9
oklch(70.7% 0.12 282.9)
-
Step 500
500
#7E7AE2
oklch(63.1% 0.153 282.8)
-
Step 600
600
#6960D0
oklch(55.5% 0.167 283.1)
-
Step 700
700
#584FB4
oklch(49.1% 0.155 283.1)
-
Step 800
800
#484192
oklch(42.7% 0.129 283.4)
-
Step 900
900 (this color)
#413E7B
oklch(39.9% 0.1 283.1)
-
Step 950
950
#232144
oklch(27% 0.064 283.9)
#413E7B 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) | #25477D | 0.041 |
| Deuteranopia (no green cones) | #22437A | 0.042 |
| Tritanopia (no blue cones) | #2E4B56 | 0.087 |
| Achromatopsia (no color) | #454545 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #413E7B
#413E7B
oklch(39.9% 0.1 283.1)
- #504900
#504900
oklch(40% 0.084 103.2)
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 #413E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.046
- Cobalt #1E488F ΔE 0.054
- Twilight Blue #0A437A ΔE 0.058
- Twilight #4E518B ΔE 0.062
- Light Navy #155084 ΔE 0.063
- Dusk Blue #26538D ΔE 0.065
- Dusk #4E5481 ΔE 0.068
Use #413E7B 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.