#443A63
Closest named color: Dark Grey Blue (#29465B). oklch(37.8% 0.069 294), rgb(68, 58, 99).
Aa
White text reads best on this color (10.33:1).
About this color
#443A63 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.069 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.056 away. White text reads best on it, at 10.33:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #443A63 |
| RGB | rgb(68, 58, 99) |
| HSL | hsl(255, 26%, 31%) |
| OKLCH | oklch(37.8% 0.069 294) |
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 #443A63 | 10.33:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #443A63 | 2.03:1 | Fails | Lc 10.0 | Not readable |
| #443A63 text on white | 10.33:1 | AAA | Lc 93.9 | Preferred for body text |
| #443A63 text on black | 2.03:1 | Fails | Lc -8.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BBE0
oklch(81% 0.052 293.9)
-
Step 400
400
#A397D0
oklch(70.7% 0.083 293.8)
-
Step 500
500
#8D7CC4
oklch(63.1% 0.107 293.9)
-
Step 600
600
#7864B0
oklch(55.6% 0.116 294.4)
-
Step 700
700
#655397
oklch(49.1% 0.107 294.3)
-
Step 800
800
#52447B
oklch(42.7% 0.09 294)
-
Step 900
900 (this color)
#443A63
oklch(37.8% 0.069 294)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#443A63 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) | #2E4165 | 0.037 |
| Deuteranopia (no green cones) | #304062 | 0.035 |
| Tritanopia (no blue cones) | #3D4149 | 0.057 |
| Achromatopsia (no color) | #404040 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443A63
#443A63
oklch(37.8% 0.069 294)
- #414615
#414615
oklch(37.8% 0.07 114.7)
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 #443A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.066
- Charcoal #264653 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.068
- Onyx #343A40 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.070
- Twilight Blue #0A437A ΔE 0.073
Use #443A63 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.