#443A8F
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.135 284), rgb(68, 58, 143).
Aa
White text reads best on this color (9.34:1).
About this color
#443A8F is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.135 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.013 away. White text reads best on it, at 9.34:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #443A8F |
| RGB | rgb(68, 58, 143) |
| HSL | hsl(247, 42%, 39%) |
| OKLCH | oklch(40.8% 0.135 284) |
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 #443A8F | 9.34:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #443A8F | 2.24:1 | Fails | Lc 12.7 | Not readable |
| #443A8F text on white | 9.34:1 | AAA | Lc 91.3 | Preferred for body text |
| #443A8F text on black | 2.24:1 | Fails | Lc -11.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9795EC
oklch(70.7% 0.126 283.7)
-
Step 500
500
#8078E6
oklch(63.1% 0.161 284.1)
-
Step 600
600
#6B5ED4
oklch(55.6% 0.175 284.2)
-
Step 700
700
#594DB8
oklch(49.2% 0.163 283.7)
-
Step 800
800 (this color)
#443A8F
oklch(40.8% 0.135 284)
-
Step 900
900
#3C3777
oklch(37.7% 0.106 283.6)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#443A8F 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) | #004992 | 0.068 |
| Deuteranopia (no green cones) | #00448D | 0.067 |
| Tritanopia (no blue cones) | #274E5E | 0.116 |
| Achromatopsia (no color) | #474747 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443A8F
#443A8F
oklch(40.8% 0.135 284)
- #524C00
#524C00
oklch(40.9% 0.087 104.4)
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 #443A8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.013
- Blueberry #464196 ΔE 0.021
- Cobalt #1E488F ΔE 0.055
- Rebecca Purple #663399 ΔE 0.064
- Sapphire #2138AB ΔE 0.066
- Twilight #4E518B ΔE 0.067
- Dusk Blue #26538D ΔE 0.073
- Twilight Blue #0A437A ΔE 0.076
Use #443A8F 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.