#404485
Closest named color: Dark Slate Blue (#483D8B). oklch(41.7% 0.107 278.1), rgb(64, 68, 133).
Aa
White text reads best on this color (8.81:1).
About this color
#404485 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.107 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.024 away. White text reads best on it, at 8.81:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #404485 |
| RGB | rgb(64, 68, 133) |
| HSL | hsl(237, 35%, 39%) |
| OKLCH | oklch(41.7% 0.107 278.1) |
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 #404485 | 8.81:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #404485 | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #404485 text on white | 8.81:1 | AAA | Lc 90.0 | Fine for body text |
| #404485 text on black | 2.38:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D3D7F0
oklch(88.4% 0.035 278.4)
-
Step 300
300
#B7BDE9
oklch(80.8% 0.062 278.8)
-
Step 400
400
#929ADE
oklch(70.6% 0.1 278.4)
-
Step 500
500
#7880D5
oklch(63.1% 0.127 278)
-
Step 600
600
#6268C2
oklch(55.6% 0.138 278)
-
Step 700
700
#5156A8
oklch(49.1% 0.129 277.9)
-
Step 800
800 (this color)
#404485
oklch(41.7% 0.107 278.1)
-
Step 900
900
#383C6D
oklch(37.8% 0.083 278.1)
-
Step 950
950
#212340
oklch(27% 0.054 279.2)
#404485 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) | #274D87 | 0.036 |
| Deuteranopia (no green cones) | #214884 | 0.038 |
| Tritanopia (no blue cones) | #24525E | 0.093 |
| Achromatopsia (no color) | #4A4A4A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404485
#404485
oklch(41.7% 0.107 278.1)
- #594C00
#594C00
oklch(41.7% 0.086 97.9)
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 #404485, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.031
- Cobalt #1E488F ΔE 0.041
- Twilight #4E518B ΔE 0.045
- Dusk Blue #26538D ΔE 0.048
- Light Navy #155084 ΔE 0.052
- Dusk #4E5481 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.060
Use #404485 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.