#443B59
Closest named color: Dark Grey Blue (#29465B). oklch(37.5% 0.052 297.6), rgb(68, 59, 89).
Aa
White text reads best on this color (10.41:1).
About this color
#443B59 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.052 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.049 away. White text reads best on it, at 10.41:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #443B59 |
| RGB | rgb(68, 59, 89) |
| HSL | hsl(258, 20%, 29%) |
| OKLCH | oklch(37.5% 0.052 297.6) |
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 #443B59 | 10.41:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #443B59 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #443B59 text on white | 10.41:1 | AAA | Lc 94.2 | Preferred for body text |
| #443B59 text on black | 2.01:1 | Fails | Lc -8.4 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E6
oklch(88.4% 0.022 297.4)
-
Step 300
300
#C3BCD7
oklch(80.9% 0.038 297.4)
-
Step 400
400
#A599C3
oklch(70.8% 0.062 297.9)
-
Step 500
500
#8F7FB4
oklch(63.1% 0.08 297.9)
-
Step 600
600
#79689F
oklch(55.5% 0.086 297.8)
-
Step 700
700
#665688
oklch(49% 0.08 298.1)
-
Step 800
800
#53476F
oklch(42.7% 0.066 297.3)
-
Step 900
900 (this color)
#443B59
oklch(37.5% 0.052 297.6)
-
Step 950
950
#282335
oklch(27% 0.034 296.8)
#443B59 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) | #34405A | 0.028 |
| Deuteranopia (no green cones) | #353F58 | 0.026 |
| Tritanopia (no blue cones) | #404046 | 0.042 |
| Achromatopsia (no color) | #404040 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443B59
#443B59
oklch(37.5% 0.052 297.6)
- #3F4524
#3F4524
oklch(37.6% 0.052 117.4)
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 #443B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.052
- Onyx #343A40 ΔE 0.053
- Charcoal #264653 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.064
- Gunmetal #293241 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.072
Use #443B59 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.