#443A88
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.125 285.1), rgb(68, 58, 136).
Aa
White text reads best on this color (9.51:1).
About this color
#443A88 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.125 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.012 away. White text reads best on it, at 9.51:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #443A88 |
| RGB | rgb(68, 58, 136) |
| HSL | hsl(248, 40%, 38%) |
| OKLCH | oklch(40.3% 0.125 285.1) |
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 #443A88 | 9.51:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #443A88 | 2.20:1 | Fails | Lc 12.2 | Not readable |
| #443A88 text on white | 9.51:1 | AAA | Lc 91.8 | Preferred for body text |
| #443A88 text on black | 2.20:1 | Fails | Lc -10.6 | 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
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F4
oklch(88.5% 0.041 285.5)
-
Step 300
300
#BBBBEF
oklch(81% 0.073 284.7)
-
Step 400
400
#9996E7
oklch(70.8% 0.117 284.7)
-
Step 500
500
#8279DF
oklch(63% 0.15 285.3)
-
Step 600
600
#6D60CD
oklch(55.7% 0.163 285.2)
-
Step 700
700
#5B4EB1
oklch(49% 0.152 285.3)
-
Step 800
800 (this color)
#443A88
oklch(40.3% 0.125 285.1)
-
Step 900
900
#3D3873
oklch(37.7% 0.098 284.5)
-
Step 950
950
#242143
oklch(27% 0.062 285.5)
#443A88 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) | #0A488B | 0.065 |
| Deuteranopia (no green cones) | #054386 | 0.066 |
| Tritanopia (no blue cones) | #2C4B5B | 0.105 |
| Achromatopsia (no color) | #454545 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443A88
#443A88
oklch(40.3% 0.125 285.1)
- #504A00
#504A00
oklch(40.2% 0.085 104.3)
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 #443A88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.012
- Blueberry #464196 ΔE 0.028
- Cobalt #1E488F ΔE 0.055
- Twilight #4E518B ΔE 0.066
- Rebecca Purple #663399 ΔE 0.068
- Twilight Blue #0A437A ΔE 0.071
- Dusk Blue #26538D ΔE 0.072
- Sapphire #2138AB ΔE 0.075
Use #443A88 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.