#404791
Closest named color: Blueberry (#464196). oklch(43.2% 0.12 276.1), rgb(64, 71, 145).
Aa
White text reads best on this color (8.30:1).
About this color
#404791 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.120 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.020 away. White text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #404791 |
| RGB | rgb(64, 71, 145) |
| HSL | hsl(235, 39%, 41%) |
| OKLCH | oklch(43.2% 0.12 276.1) |
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 #404791 | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #404791 | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #404791 text on white | 8.30:1 | AAA | Lc 88.5 | Fine for body text |
| #404791 text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D8F4
oklch(88.6% 0.039 276)
-
Step 300
300
#B4BDEF
oklch(80.9% 0.071 276.7)
-
Step 400
400
#8E9AE6
oklch(70.7% 0.112 276.3)
-
Step 500
500
#737FDF
oklch(63.1% 0.144 276.1)
-
Step 600
600
#5D66CD
oklch(55.6% 0.157 276.3)
-
Step 700
700
#4D54B1
oklch(49% 0.146 276.4)
-
Step 800
800 (this color)
#404791
oklch(43.2% 0.12 276.1)
-
Step 900
900
#353B72
oklch(37.6% 0.093 276.3)
-
Step 950
950
#1F2343
oklch(27% 0.059 276.3)
#404791 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) | #225294 | 0.041 |
| Deuteranopia (no green cones) | #174B8F | 0.043 |
| Tritanopia (no blue cones) | #185765 | 0.105 |
| Achromatopsia (no color) | #4E4E4E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404791
#404791
oklch(43.2% 0.12 276.1)
- #5F4F00
#5F4F00
oklch(43.1% 0.089 95.6)
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 #404791, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.020
- Dark Slate Blue #483D8B ΔE 0.028
- Cobalt #1E488F ΔE 0.039
- Twilight #4E518B ΔE 0.039
- Dusk Blue #26538D ΔE 0.043
- Light Navy #155084 ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.056
Use #404791 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.