#413F9E
Closest named color: Blueberry (#464196). oklch(42.7% 0.15 278.9), rgb(65, 63, 158).
Aa
White text reads best on this color (8.64:1).
About this color
#413F9E is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.150 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.017 away. White text reads best on it, at 8.64:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #413F9E |
| RGB | rgb(65, 63, 158) |
| HSL | hsl(241, 43%, 43%) |
| OKLCH | oklch(42.7% 0.15 278.9) |
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 #413F9E | 8.64:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #413F9E | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #413F9E text on white | 8.64:1 | AAA | Lc 89.3 | Fine for body text |
| #413F9E text on black | 2.42:1 | Fails | Lc -12.9 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B4BBF9
oklch(80.9% 0.088 279.2)
-
Step 400
400
#8E96F6
oklch(70.7% 0.14 278.6)
-
Step 500
500
#7578F2
oklch(63.1% 0.179 278.9)
-
Step 600
600
#605DE1
oklch(55.6% 0.195 279)
-
Step 700
700
#504CC3
oklch(49.1% 0.18 278.9)
-
Step 800
800 (this color)
#413F9E
oklch(42.7% 0.15 278.9)
-
Step 900
900
#36377D
oklch(37.7% 0.116 278.7)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#413F9E 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) | #004FA1 | 0.061 |
| Deuteranopia (no green cones) | #00489C | 0.057 |
| Tritanopia (no blue cones) | #055668 | 0.130 |
| Achromatopsia (no color) | #4C4C4C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #413F9E
#413F9E
oklch(42.7% 0.15 278.9)
- #5B4F00
#5B4F00
oklch(42.7% 0.088 99.2)
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 #413F9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.017
- Dark Slate Blue #483D8B ΔE 0.033
- Sapphire #2138AB ΔE 0.051
- Cobalt #1E488F ΔE 0.052
- Twilight #4E518B ΔE 0.065
- Dusk Blue #26538D ΔE 0.067
- Rebecca Purple #663399 ΔE 0.068
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
Use #413F9E 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.