#443E8B
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.124 283.1), rgb(68, 62, 139).
Aa
White text reads best on this color (9.10:1).
About this color
#443E8B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.124 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.007 away. White text reads best on it, at 9.10:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #443E8B |
| RGB | rgb(68, 62, 139) |
| HSL | hsl(245, 38%, 39%) |
| OKLCH | oklch(41.3% 0.124 283.1) |
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 #443E8B | 9.10:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #443E8B | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #443E8B text on white | 9.10:1 | AAA | Lc 90.7 | Preferred for body text |
| #443E8B text on black | 2.30:1 | Fails | Lc -11.6 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#B9BBEF
oklch(80.8% 0.073 282.9)
-
Step 400
400
#9797E6
oklch(70.8% 0.114 283.1)
-
Step 500
500
#7F7BDF
oklch(63.2% 0.147 283.1)
-
Step 600
600
#6961CD
oklch(55.5% 0.162 283.1)
-
Step 700
700
#5850B1
oklch(49.1% 0.149 283.2)
-
Step 800
800 (this color)
#443E8B
oklch(41.3% 0.124 283.1)
-
Step 900
900
#3C3973
oklch(37.9% 0.097 283.1)
-
Step 950
950
#232243
oklch(27.1% 0.06 283)
#443E8B 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) | #134B8E | 0.059 |
| Deuteranopia (no green cones) | #0C4689 | 0.060 |
| Tritanopia (no blue cones) | #2A4F5E | 0.105 |
| Achromatopsia (no color) | #484848 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443E8B
#443E8B
oklch(41.3% 0.124 283.1)
- #544C00
#544C00
oklch(41.2% 0.086 102.5)
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 #443E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.007
- Blueberry #464196 ΔE 0.019
- Cobalt #1E488F ΔE 0.050
- Twilight #4E518B ΔE 0.056
- Dusk Blue #26538D ΔE 0.063
- Rebecca Purple #663399 ΔE 0.068
- Light Navy #155084 ΔE 0.069
- Dusk #4E5481 ΔE 0.070
Use #443E8B 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.