#445D8B
Closest named color: Dusky Blue (#475F94). oklch(47.9% 0.081 262), rgb(68, 93, 139).
Aa
White text reads best on this color (6.59:1).
About this color
#445D8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.081 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.016 away. White text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #445D8B |
| RGB | rgb(68, 93, 139) |
| HSL | hsl(219, 34%, 41%) |
| OKLCH | oklch(47.9% 0.081 262) |
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 #445D8B | 6.59:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #445D8B | 3.18:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #445D8B text on white | 6.59:1 | AA | Lc 82.5 | Fine for body text |
| #445D8B text on black | 3.18:1 | AA large text | Lc -19.4 | 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
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B3C1DB
oklch(80.9% 0.04 262.9)
-
Step 400
400
#8BA1C8
oklch(70.6% 0.063 261.8)
-
Step 500
500
#6F8ABA
oklch(63.2% 0.079 261.6)
-
Step 600
600
#5773A6
oklch(55.6% 0.086 261.9)
-
Step 700
700 (this color)
#445D8B
oklch(47.9% 0.081 262)
-
Step 800
800
#3B4F74
oklch(42.8% 0.067 262.2)
-
Step 900
900
#32425D
oklch(37.8% 0.051 260.6)
-
Step 950
950
#1E2737
oklch(27.2% 0.033 261.7)
#445D8B 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) | #4B618D | 0.016 |
| Deuteranopia (no green cones) | #435A8A | 0.009 |
| Tritanopia (no blue cones) | #24676D | 0.073 |
| Achromatopsia (no color) | #5D5D5D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445D8B
#445D8B
oklch(47.9% 0.081 262)
- #745821
#745821
oklch(47.8% 0.08 81.4)
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 #445D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.018
- Denim #3B638C ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.028
- Dusk #4E5481 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.033
- Twilight #4E518B ΔE 0.036
- Dusty Grape #545775 ΔE 0.040
Use #445D8B 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.