#445B81
Closest named color: YInMn Blue (#415A77). oklch(46.9% 0.068 260.2), rgb(68, 91, 129).
Aa
White text reads best on this color (6.86:1).
About this color
#445B81 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.068 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.017 away. White text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.05:1 |
| White text | 6.86:1 |
Values
| HEX | #445B81 |
| RGB | rgb(68, 91, 129) |
| HSL | hsl(217, 31%, 39%) |
| OKLCH | oklch(46.9% 0.068 260.2) |
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 #445B81 | 6.86:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #445B81 | 3.05:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #445B81 text on white | 6.86:1 | AA | Lc 83.7 | Fine for body text |
| #445B81 text on black | 3.05:1 | AA large text | Lc -18.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C1D6
oklch(80.8% 0.033 260)
-
Step 400
400
#8EA2C2
oklch(70.8% 0.052 259.8)
-
Step 500
500
#728AB3
oklch(63% 0.068 261)
-
Step 600
600
#5A749F
oklch(55.6% 0.074 260.2)
-
Step 700
700 (this color)
#445B81
oklch(46.9% 0.068 260.2)
-
Step 800
800
#3D4F6E
oklch(42.6% 0.057 261)
-
Step 900
900
#344259
oklch(37.7% 0.044 260.2)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#445B81 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) | #4D5D83 | 0.014 |
| Deuteranopia (no green cones) | #465880 | 0.009 |
| Tritanopia (no blue cones) | #2C6368 | 0.061 |
| Achromatopsia (no color) | #5A5A5A | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445B81
#445B81
oklch(46.9% 0.068 260.2)
- #6F562B
#6F562B
oklch(46.9% 0.068 79.4)
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 #445B81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.017
- Dusk #4E5481 ΔE 0.023
- Denim #3B638C ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.027
- Dusty Grape #545775 ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.031
- Twilight #4E518B ΔE 0.038
Use #445B81 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.