#443588
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.133 286.9), rgb(68, 53, 136).
Aa
White text reads best on this color (9.95:1).
About this color
#443588 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.133 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.95:1 |
Values
| HEX | #443588 |
| RGB | rgb(68, 53, 136) |
| HSL | hsl(251, 44%, 37%) |
| OKLCH | oklch(39.4% 0.133 286.9) |
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 #443588 | 9.95:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #443588 | 2.11:1 | Fails | Lc 11.2 | Not readable |
| #443588 text on white | 9.95:1 | AAA | Lc 92.7 | Preferred for body text |
| #443588 text on black | 2.11:1 | Fails | Lc -9.7 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FD
oklch(88.5% 0.056 287.4)
-
Step 300
300
#BCB7FE
oklch(80.9% 0.1 287.2)
-
Step 400
400
#9B8EFE
oklch(70.7% 0.16 286.9)
-
Step 500
500
#866DFC
oklch(63.1% 0.204 287.1)
-
Step 600
600
#724FEB
oklch(55.6% 0.222 287.1)
-
Step 700
700
#603FCC
oklch(49.2% 0.205 287)
-
Step 800
800
#4E35A5
oklch(42.7% 0.17 287.1)
-
Step 900
900 (this color)
#443588
oklch(39.4% 0.133 286.9)
-
Step 950
950
#251D4D
oklch(27% 0.085 286.9)
#443588 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) | #00458B | 0.072 |
| Deuteranopia (no green cones) | #004086 | 0.071 |
| Tritanopia (no blue cones) | #2D4859 | 0.110 |
| Achromatopsia (no color) | #434343 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443588
#443588
oklch(39.4% 0.133 286.9)
- #4C4800
#4C4800
oklch(39.3% 0.084 106)
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 #443588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.037
- Cobalt #1E488F ΔE 0.063
- Rebecca Purple #663399 ΔE 0.068
- Sapphire #2138AB ΔE 0.075
- Twilight Blue #0A437A ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.078
- Twilight #4E518B ΔE 0.078
Use #443588 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.