#445588
Closest named color: Dusk (#4E5481). oklch(45.9% 0.086 268.9), rgb(68, 85, 136).
Aa
White text reads best on this color (7.23:1).
About this color
#445588 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.086 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.017 away. White text reads best on it, at 7.23:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #445588 |
| RGB | rgb(68, 85, 136) |
| HSL | hsl(225, 33%, 40%) |
| OKLCH | oklch(45.9% 0.086 268.9) |
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 #445588 | 7.23:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #445588 | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #445588 text on white | 7.23:1 | AAA | Lc 85.0 | Fine for body text |
| #445588 text on black | 2.90:1 | Fails | Lc -17.0 | 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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400
#8F9FCB
oklch(70.6% 0.067 269.1)
-
Step 500
500
#7487BE
oklch(63% 0.086 269.2)
-
Step 600
600
#5D71AA
oklch(55.7% 0.092 268.6)
-
Step 700
700 (this color)
#445588
oklch(45.9% 0.086 268.9)
-
Step 800
800
#3F4D76
oklch(42.7% 0.071 268.9)
-
Step 900
900
#35405F
oklch(37.6% 0.055 268.7)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#445588 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) | #425A8A | 0.014 |
| Deuteranopia (no green cones) | #3B5487 | 0.013 |
| Tritanopia (no blue cones) | #286068 | 0.077 |
| Achromatopsia (no color) | #575757 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445588
#445588
oklch(45.9% 0.086 268.9)
- #6B5512
#6B5512
oklch(46% 0.086 89.3)
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 #445588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.017
- Twilight #4E518B ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.027
- Dusky Blue #475F94 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.036
- Dusk Blue #26538D ΔE 0.036
- Dusty Grape #545775 ΔE 0.040
Use #445588 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.