#404190
Closest named color: Blueberry (#464196). oklch(41.9% 0.127 278.8), rgb(64, 65, 144).
Aa
White text reads best on this color (8.83:1).
About this color
#404190 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.127 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.014 away. White text reads best on it, at 8.83:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #404190 |
| RGB | rgb(64, 65, 144) |
| HSL | hsl(239, 38%, 41%) |
| OKLCH | oklch(41.9% 0.127 278.8) |
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 #404190 | 8.83:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #404190 | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #404190 text on white | 8.83:1 | AAA | Lc 90.0 | Fine for body text |
| #404190 text on black | 2.37:1 | Fails | Lc -12.3 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B5BCF1
oklch(80.8% 0.075 278.7)
-
Step 400
400
#9198EA
oklch(70.7% 0.12 279.1)
-
Step 500
500
#777CE3
oklch(63% 0.153 279)
-
Step 600
600
#6163D1
oklch(55.6% 0.166 278.8)
-
Step 700
700
#5151B5
oklch(49% 0.154 279.1)
-
Step 800
800 (this color)
#404190
oklch(41.9% 0.127 278.8)
-
Step 900
900
#373A75
oklch(37.8% 0.099 278.3)
-
Step 950
950
#202244
oklch(26.9% 0.063 278.8)
#404190 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) | #134D93 | 0.051 |
| Deuteranopia (no green cones) | #02478E | 0.055 |
| Tritanopia (no blue cones) | #1A5362 | 0.111 |
| Achromatopsia (no color) | #4A4A4A | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404190
#404190
oklch(41.9% 0.127 278.8)
- #594D00
#594D00
oklch(41.9% 0.087 98.9)
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 #404190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.014
- Dark Slate Blue #483D8B ΔE 0.017
- Cobalt #1E488F ΔE 0.041
- Twilight #4E518B ΔE 0.053
- Dusk Blue #26538D ΔE 0.055
- Light Navy #155084 ΔE 0.062
- Sapphire #2138AB ΔE 0.065
- Twilight Blue #0A437A ΔE 0.068
Use #404190 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.