#413D8C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.127 281.5), rgb(65, 61, 140).
Aa
White text reads best on this color (9.24:1).
About this color
#413D8C is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.127 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 9.24:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #413D8C |
| RGB | rgb(65, 61, 140) |
| HSL | hsl(243, 39%, 39%) |
| OKLCH | oklch(40.9% 0.127 281.5) |
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 #413D8C | 9.24:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #413D8C | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #413D8C text on white | 9.24:1 | AAA | Lc 91.1 | Preferred for body text |
| #413D8C text on black | 2.27:1 | Fails | Lc -11.3 | 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
#D4D7F5
oklch(88.6% 0.041 281)
-
Step 300
300
#B8BCF0
oklch(81% 0.073 281.2)
-
Step 400
400
#9497E9
oklch(70.7% 0.119 281.3)
-
Step 500
500
#7C7BE2
oklch(63.1% 0.152 281.6)
-
Step 600
600
#6662D0
oklch(55.7% 0.165 281.2)
-
Step 700
700
#5550B4
oklch(49.1% 0.154 281.4)
-
Step 800
800 (this color)
#413D8C
oklch(40.9% 0.127 281.5)
-
Step 900
900
#3A3974
oklch(37.7% 0.098 281.4)
-
Step 950
950
#222244
oklch(27.1% 0.062 281.4)
#413D8C 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) | #0B4A8F | 0.058 |
| Deuteranopia (no green cones) | #00448A | 0.060 |
| Tritanopia (no blue cones) | #224F5E | 0.110 |
| Achromatopsia (no color) | #474747 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #413D8C
#413D8C
oklch(40.9% 0.127 281.5)
- #544B00
#544B00
oklch(40.9% 0.085 101.5)
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 #413D8C, 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 0.021
- Cobalt #1E488F ΔE 0.047
- Twilight #4E518B ΔE 0.061
- Dusk Blue #26538D ΔE 0.064
- Twilight Blue #0A437A ΔE 0.067
- Sapphire #2138AB ΔE 0.068
- Light Navy #155084 ΔE 0.068
Use #413D8C 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.