#443581
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.123 288.4), rgb(68, 53, 129).
Aa
White text reads best on this color (10.13:1).
About this color
#443581 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 10.13:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #443581 |
| RGB | rgb(68, 53, 129) |
| HSL | hsl(252, 42%, 36%) |
| OKLCH | oklch(38.8% 0.123 288.4) |
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 #443581 | 10.13:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #443581 | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #443581 text on white | 10.13:1 | AAA | Lc 93.2 | Preferred for body text |
| #443581 text on black | 2.07:1 | Fails | Lc -9.2 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D7D4FA
oklch(88.4% 0.052 288.9)
-
Step 300
300
#BEB7F9
oklch(80.8% 0.093 289)
-
Step 400
400
#9E8FF6
oklch(70.6% 0.148 288.7)
-
Step 500
500
#8870F2
oklch(63.1% 0.187 288.3)
-
Step 600
600
#7453E1
oklch(55.6% 0.205 288.6)
-
Step 700
700
#6243C3
oklch(49.2% 0.189 288.6)
-
Step 800
800
#4F389E
oklch(42.7% 0.158 288.2)
-
Step 900
900 (this color)
#443581
oklch(38.8% 0.123 288.4)
-
Step 950
950
#261E49
oklch(27% 0.077 288.7)
#443581 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) | #044384 | 0.071 |
| Deuteranopia (no green cones) | #06407F | 0.070 |
| Tritanopia (no blue cones) | #314655 | 0.102 |
| Achromatopsia (no color) | #414141 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443581
#443581
oklch(38.8% 0.123 288.4)
- #494700
#494700
oklch(38.7% 0.083 107.9)
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 #443581, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.045
- Cobalt #1E488F ΔE 0.066
- Twilight Blue #0A437A ΔE 0.072
- Rebecca Purple #663399 ΔE 0.074
- Twilight #4E518B ΔE 0.079
- Indigo #4B0082 ΔE 0.082
- Sapphire #2138AB ΔE 0.084
Use #443581 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.