#445681
Closest named color: Dusk (#4E5481). oklch(45.8% 0.074 266.2), rgb(68, 86, 129).
Aa
White text reads best on this color (7.25:1).
About this color
#445681 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.074 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.015 away. White text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #445681 |
| RGB | rgb(68, 86, 129) |
| HSL | hsl(222, 31%, 39%) |
| OKLCH | oklch(45.8% 0.074 266.2) |
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 #445681 | 7.25:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #445681 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #445681 text on white | 7.25:1 | AAA | Lc 85.1 | Fine for body text |
| #445681 text on black | 2.89:1 | Fails | Lc -16.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B4C1DD
oklch(81% 0.042 265.7)
-
Step 400
400
#8CA0CD
oklch(70.7% 0.07 266)
-
Step 500
500
#7088C0
oklch(63.1% 0.089 266.1)
-
Step 600
600
#5971AC
oklch(55.6% 0.097 266.5)
-
Step 700
700
#495F94
oklch(49.2% 0.089 266.1)
-
Step 800
800 (this color)
#445681
oklch(45.8% 0.074 266.2)
-
Step 900
900
#334161
oklch(37.8% 0.058 265.6)
-
Step 950
950
#1E2639
oklch(27% 0.037 266.4)
#445681 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) | #465A83 | 0.012 |
| Deuteranopia (no green cones) | #405480 | 0.009 |
| Tritanopia (no blue cones) | #2D5F65 | 0.067 |
| Achromatopsia (no color) | #575757 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445681
#445681
oklch(45.8% 0.074 266.2)
- #6A5421
#6A5421
oklch(45.8% 0.074 85.6)
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 #445681, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.015
- YInMn Blue #415A77 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.026
- Twilight #4E518B ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.029
- Dusty Grape #545775 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.037
- Denim #3B638C ΔE 0.038
Use #445681 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.