#443579
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.111 290.3), rgb(68, 53, 121).
Aa
White text reads best on this color (10.33:1).
About this color
#443579 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.111 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 10.33:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #443579 |
| RGB | rgb(68, 53, 121) |
| HSL | hsl(253, 39%, 34%) |
| OKLCH | oklch(38.2% 0.111 290.3) |
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 #443579 | 10.33:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #443579 | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #443579 text on white | 10.33:1 | AAA | Lc 93.8 | Preferred for body text |
| #443579 text on black | 2.03:1 | Fails | Lc -8.8 | 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 900.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7F9
oklch(93.5% 0.024 291)
-
Step 200
200
#D8D5F6
oklch(88.6% 0.045 289.6)
-
Step 300
300
#BFB8F3
oklch(80.9% 0.083 289.8)
-
Step 400
400
#A091ED
oklch(70.7% 0.133 290.1)
-
Step 500
500
#8B72E8
oklch(63.1% 0.172 290.4)
-
Step 600
600
#7657D6
oklch(55.6% 0.186 290.2)
-
Step 700
700
#6446B9
oklch(49% 0.173 290.6)
-
Step 800
800
#513B96
oklch(42.7% 0.143 290.2)
-
Step 900
900 (this color)
#443579
oklch(38.2% 0.111 290.3)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#443579 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) | #14417B | 0.064 |
| Deuteranopia (no green cones) | #163F77 | 0.063 |
| Tritanopia (no blue cones) | #354351 | 0.091 |
| Achromatopsia (no color) | #404040 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443579
#443579
oklch(38.2% 0.111 290.3)
- #464600
#464600
oklch(38.2% 0.083 109.8)
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 #443579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.071
- Cobalt #1E488F ΔE 0.071
- Twilight #4E518B ΔE 0.082
- Rebecca Purple #663399 ΔE 0.082
- Marine Blue #01386A ΔE 0.082
- Light Navy #155084 ΔE 0.085
Use #443579 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.