#443D57
Closest named color: Dark Grey Blue (#29465B). oklch(37.8% 0.045 296.6), rgb(68, 61, 87).
Aa
White text reads best on this color (10.23:1).
About this color
#443D57 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.045 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.044 away. White text reads best on it, at 10.23:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #443D57 |
| RGB | rgb(68, 61, 87) |
| HSL | hsl(256, 18%, 29%) |
| OKLCH | oklch(37.8% 0.045 296.6) |
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 #443D57 | 10.23:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #443D57 | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #443D57 text on white | 10.23:1 | AAA | Lc 93.8 | Preferred for body text |
| #443D57 text on black | 2.05:1 | Fails | Lc -8.8 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#DAD7E4
oklch(88.5% 0.018 296.6)
-
Step 300
300
#C2BDD4
oklch(81% 0.032 295.6)
-
Step 400
400
#A39ABF
oklch(70.7% 0.054 296.1)
-
Step 500
500
#8D81AE
oklch(63% 0.068 296.6)
-
Step 600
600
#776A9A
oklch(55.5% 0.075 296.3)
-
Step 700
700
#645883
oklch(49% 0.069 296.6)
-
Step 800
800
#52486B
oklch(42.6% 0.058 297)
-
Step 900
900 (this color)
#443D57
oklch(37.8% 0.045 296.6)
-
Step 950
950
#282433
oklch(27.1% 0.028 296.7)
#443D57 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) | #374158 | 0.023 |
| Deuteranopia (no green cones) | #384156 | 0.022 |
| Tritanopia (no blue cones) | #404146 | 0.037 |
| Achromatopsia (no color) | #414141 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443D57
#443D57
oklch(37.8% 0.045 296.6)
- #404529
#404529
oklch(37.8% 0.045 116.9)
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 #443D57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.045
- Onyx #343A40 ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.067
- Dark Slate Gray #2F4F4F ΔE 0.068
- Gunmetal #293241 ΔE 0.068
Use #443D57 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.