#413F9D
Closest named color: Blueberry (#464196). oklch(42.6% 0.149 279), rgb(65, 63, 157).
Aa
White text reads best on this color (8.66:1).
About this color
#413F9D is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.149 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.015 away. White text reads best on it, at 8.66:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #413F9D |
| RGB | rgb(65, 63, 157) |
| HSL | hsl(241, 43%, 43%) |
| OKLCH | oklch(42.6% 0.149 279) |
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 #413F9D | 8.66:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #413F9D | 2.42:1 | Fails | Lc 14.6 | Not readable |
| #413F9D text on white | 8.66:1 | AAA | Lc 89.4 | Fine for body text |
| #413F9D 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D2D7F9
oklch(88.6% 0.047 278.8)
-
Step 300
300
#B4BBF9
oklch(80.9% 0.088 279.2)
-
Step 400
400
#8F96F5
oklch(70.8% 0.138 279)
-
Step 500
500
#7578F1
oklch(63% 0.178 278.9)
-
Step 600
600
#605EE0
oklch(55.7% 0.193 278.8)
-
Step 700
700
#504CC2
oklch(49.1% 0.179 279)
-
Step 800
800 (this color)
#413F9D
oklch(42.6% 0.149 279)
-
Step 900
900
#36377D
oklch(37.7% 0.116 278.7)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#413F9D 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) | #004FA0 | 0.061 |
| Deuteranopia (no green cones) | #00489B | 0.057 |
| Tritanopia (no blue cones) | #075568 | 0.127 |
| Achromatopsia (no color) | #4B4B4B | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #413F9D
#413F9D
oklch(42.6% 0.149 279)
- #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 #413F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.015
- Dark Slate Blue #483D8B ΔE 0.031
- Cobalt #1E488F ΔE 0.051
- Sapphire #2138AB ΔE 0.052
- Twilight #4E518B ΔE 0.064
- Dusk Blue #26538D ΔE 0.067
- Rebecca Purple #663399 ΔE 0.068
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
Use #413F9D 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.