#445F8F
Closest named color: Dusky Blue (#475F94). oklch(48.6% 0.084 261.4), rgb(68, 95, 143).
Aa
White text reads best on this color (6.40:1).
About this color
#445F8F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.084 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.009 away. White text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.27:1 |
| White text | 6.40:1 |
Values
| HEX | #445F8F |
| RGB | rgb(68, 95, 143) |
| HSL | hsl(218, 36%, 41%) |
| OKLCH | oklch(48.6% 0.084 261.4) |
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 #445F8F | 6.40:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #445F8F | 3.27:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #445F8F text on white | 6.40:1 | AA | Lc 81.7 | Fine for body text |
| #445F8F text on black | 3.27:1 | AA large text | Lc -20.2 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D1DAE9
oklch(88.6% 0.023 260.7)
-
Step 300
300
#B2C1DC
oklch(80.8% 0.042 262.3)
-
Step 400
400
#8AA1CA
oklch(70.6% 0.066 261.9)
-
Step 500
500
#6D8ABC
oklch(63.1% 0.083 261)
-
Step 600
600
#5573A8
oklch(55.5% 0.09 261.3)
-
Step 700
700 (this color)
#445F8F
oklch(48.6% 0.084 261.4)
-
Step 800
800
#394F75
oklch(42.7% 0.069 260.9)
-
Step 900
900
#31425F
oklch(37.8% 0.055 260.8)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#445F8F 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) | #4C6391 | 0.017 |
| Deuteranopia (no green cones) | #445C8E | 0.009 |
| Tritanopia (no blue cones) | #206970 | 0.075 |
| Achromatopsia (no color) | #5F5F5F | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445F8F
#445F8F
oklch(48.6% 0.084 261.4)
- #775A1F
#775A1F
oklch(48.6% 0.084 81.9)
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 #445F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.009
- Denim #3B638C ΔE 0.017
- Denim Blue #3B5B92 ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.032
- Dusk #4E5481 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.040
- Twilight #4E518B ΔE 0.040
- Peacock Blue #016795 ΔE 0.045
Use #445F8F 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.