#404480
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.099 278.3), rgb(64, 68, 128).
Aa
White text reads best on this color (8.91:1).
About this color
#404480 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.099 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 8.91:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #404480 |
| RGB | rgb(64, 68, 128) |
| HSL | hsl(236, 33%, 38%) |
| OKLCH | oklch(41.4% 0.099 278.3) |
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 #404480 | 8.91:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #404480 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #404480 text on white | 8.91:1 | AAA | Lc 90.3 | Preferred for body text |
| #404480 text on black | 2.35:1 | Fails | Lc -12.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EF
oklch(88.6% 0.032 277.9)
-
Step 300
300
#B7BEE6
oklch(80.9% 0.057 277.3)
-
Step 400
400
#939BDA
oklch(70.7% 0.092 278.2)
-
Step 500
500
#7981D0
oklch(63.1% 0.119 278)
-
Step 600
600
#6369BD
oklch(55.6% 0.129 278.2)
-
Step 700
700
#5257A3
oklch(49% 0.12 278.1)
-
Step 800
800 (this color)
#404480
oklch(41.4% 0.099 278.3)
-
Step 900
900
#393C6A
oklch(37.6% 0.078 279.1)
-
Step 950
950
#21243E
oklch(27.1% 0.048 277.6)
#404480 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) | #2B4C82 | 0.032 |
| Deuteranopia (no green cones) | #26477F | 0.033 |
| Tritanopia (no blue cones) | #28515B | 0.088 |
| Achromatopsia (no color) | #4A4A4A | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404480
#404480
oklch(41.4% 0.099 278.3)
- #584B00
#584B00
oklch(41.3% 0.085 97.7)
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 #404480, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.039
- Cobalt #1E488F ΔE 0.045
- Twilight #4E518B ΔE 0.046
- Dusk Blue #26538D ΔE 0.049
- Light Navy #155084 ΔE 0.051
- Dusk #4E5481 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.057
Use #404480 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.