#443E80
Closest named color: Dark Slate Blue (#483D8B). oklch(40.5% 0.108 284.6), rgb(68, 62, 128).
Aa
White text reads best on this color (9.34:1).
About this color
#443E80 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.108 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.020 away. White text reads best on it, at 9.34:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #443E80 |
| RGB | rgb(68, 62, 128) |
| HSL | hsl(245, 35%, 37%) |
| OKLCH | oklch(40.5% 0.108 284.6) |
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 #443E80 | 9.34:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #443E80 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #443E80 text on white | 9.34:1 | AAA | Lc 91.4 | Preferred for body text |
| #443E80 text on black | 2.24:1 | Fails | Lc -10.9 | Not readable |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BBBCE8
oklch(80.9% 0.062 283.9)
-
Step 400
400
#9998DD
oklch(70.7% 0.1 284.2)
-
Step 500
500
#827DD4
oklch(63.2% 0.129 284.7)
-
Step 600
600
#6C64C1
oklch(55.5% 0.14 284.8)
-
Step 700
700
#5A53A6
oklch(49.1% 0.129 284.4)
-
Step 800
800 (this color)
#443E80
oklch(40.5% 0.108 284.6)
-
Step 900
900
#3D3A6C
oklch(37.7% 0.084 284.3)
-
Step 950
950
#24223F
oklch(27% 0.053 285.4)
#443E80 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) | #214982 | 0.050 |
| Deuteranopia (no green cones) | #1F457F | 0.049 |
| Tritanopia (no blue cones) | #314C59 | 0.091 |
| Achromatopsia (no color) | #474747 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443E80
#443E80
oklch(40.5% 0.108 284.6)
- #504B00
#504B00
oklch(40.5% 0.086 105.2)
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 #443E80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.020
- Blueberry #464196 ΔE 0.037
- Cobalt #1E488F ΔE 0.054
- Twilight #4E518B ΔE 0.057
- Twilight Blue #0A437A ΔE 0.064
- Dusk Blue #26538D ΔE 0.065
- Light Navy #155084 ΔE 0.066
- Dusk #4E5481 ΔE 0.066
Use #443E80 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.