#443A70
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.09 290.1), rgb(68, 58, 112).
Aa
White text reads best on this color (10.07:1).
About this color
#443A70 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.090 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 0.046 away. White text reads best on it, at 10.07:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #443A70 |
| RGB | rgb(68, 58, 112) |
| HSL | hsl(251, 32%, 33%) |
| OKLCH | oklch(38.6% 0.09 290.1) |
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 #443A70 | 10.07:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #443A70 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #443A70 text on white | 10.07:1 | AAA | Lc 93.3 | Preferred for body text |
| #443A70 text on black | 2.08:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#BFBAEA
oklch(80.9% 0.067 289.6)
-
Step 400
400
#A095DF
oklch(70.8% 0.107 290.2)
-
Step 500
500
#8979D6
oklch(63.1% 0.137 289.8)
-
Step 600
600
#7460C3
oklch(55.6% 0.149 290)
-
Step 700
700
#624FA9
oklch(49.2% 0.139 290.1)
-
Step 800
800
#504189
oklch(42.8% 0.115 290.2)
-
Step 900
900 (this color)
#443A70
oklch(38.6% 0.09 290.1)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#443A70 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) | #274372 | 0.046 |
| Deuteranopia (no green cones) | #27416F | 0.045 |
| Tritanopia (no blue cones) | #39454F | 0.076 |
| Achromatopsia (no color) | #424242 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443A70
#443A70
oklch(38.6% 0.09 290.1)
- #474700
#474700
oklch(38.5% 0.084 109.8)
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 #443A70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.068
- Cobalt #1E488F ΔE 0.072
- Twilight #4E518B ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.076
- Light Navy #155084 ΔE 0.078
Use #443A70 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.