#443367
Closest named color: Dark Slate Blue (#483D8B). oklch(36.6% 0.088 296.9), rgb(68, 51, 103).
Aa
White text reads best on this color (10.96:1).
About this color
#443367 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.088 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.064 away. White text reads best on it, at 10.96:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #443367 |
| RGB | rgb(68, 51, 103) |
| HSL | hsl(260, 34%, 30%) |
| OKLCH | oklch(36.6% 0.088 296.9) |
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 #443367 | 10.96:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #443367 | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #443367 text on white | 10.96:1 | AAA | Lc 95.2 | Preferred for body text |
| #443367 text on black | 1.91:1 | Fails | Lc -7.4 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C4B8E7
oklch(80.8% 0.067 296.6)
-
Step 400
400
#A792DB
oklch(70.6% 0.107 296.8)
-
Step 500
500
#9376D1
oklch(63.2% 0.136 297)
-
Step 600
600
#7D5DBE
oklch(55.6% 0.147 296.5)
-
Step 700
700
#6A4CA4
oklch(49.1% 0.137 296.8)
-
Step 800
800
#563F85
oklch(42.7% 0.113 296.5)
-
Step 900
900 (this color)
#443367
oklch(36.6% 0.088 296.9)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#443367 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) | #223D69 | 0.055 |
| Deuteranopia (no green cones) | #253C66 | 0.052 |
| Tritanopia (no blue cones) | #3C3D48 | 0.070 |
| Achromatopsia (no color) | #3C3C3C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443367
#443367
oklch(36.6% 0.088 296.9)
- #3C4400
#3C4400
oklch(36.6% 0.085 117.1)
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 #443367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.074
- Marine Blue #01386A ΔE 0.078
- Twilight Blue #0A437A ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.080
- Space Cadet #2B2D42 ΔE 0.081
- Onyx #343A40 ΔE 0.083
Use #443367 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.