#405280
Closest named color: Dusk (#4E5481). oklch(44.5% 0.079 267), rgb(64, 82, 128).
Aa
White text reads best on this color (7.67:1).
About this color
#405280 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.079 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.022 away. White text reads best on it, at 7.67:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #405280 |
| RGB | rgb(64, 82, 128) |
| HSL | hsl(223, 33%, 38%) |
| OKLCH | oklch(44.5% 0.079 267) |
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 #405280 | 7.67:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #405280 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #405280 text on white | 7.67:1 | AAA | Lc 86.6 | Fine for body text |
| #405280 text on black | 2.73:1 | Fails | Lc -15.5 | Dividers and decoration only |
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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C0DF
oklch(80.8% 0.046 267.4)
-
Step 400
400
#8CA0D0
oklch(70.8% 0.074 267)
-
Step 500
500
#7088C3
oklch(63.2% 0.094 266.8)
-
Step 600
600
#5871B0
oklch(55.7% 0.103 266.7)
-
Step 700
700
#485E97
oklch(49.1% 0.096 266.9)
-
Step 800
800 (this color)
#405280
oklch(44.5% 0.079 267)
-
Step 900
900
#334063
oklch(37.7% 0.063 267.8)
-
Step 950
950
#1E263A
oklch(27.1% 0.039 267.1)
#405280 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) | #415682 | 0.012 |
| Deuteranopia (no green cones) | #3A517F | 0.009 |
| Tritanopia (no blue cones) | #265C63 | 0.071 |
| Achromatopsia (no color) | #535353 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405280
#405280
oklch(44.5% 0.079 267)
- #675117
#675117
oklch(44.6% 0.079 87.3)
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 #405280, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.022
- Twilight #4E518B ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.032
- Dusk Blue #26538D ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.035
- Dusty Grape #545775 ΔE 0.040
- Light Navy #155084 ΔE 0.043
Use #405280 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.