#433E56
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.041 293.9), rgb(67, 62, 86).
Aa
White text reads best on this color (10.18:1).
About this color
#433E56 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.041 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 0.041 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #433E56 |
| RGB | rgb(67, 62, 86) |
| HSL | hsl(252, 16%, 29%) |
| OKLCH | oklch(37.9% 0.041 293.9) |
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 #433E56 | 10.18:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #433E56 | 2.06:1 | Fails | Lc 10.3 | Not readable |
| #433E56 text on white | 10.18:1 | AAA | Lc 93.6 | Preferred for body text |
| #433E56 text on black | 2.06:1 | Fails | Lc -8.9 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#D9D7E4
oklch(88.5% 0.018 293.1)
-
Step 300
300
#C1BDD3
oklch(80.8% 0.031 294)
-
Step 400
400
#A29BBD
oklch(70.7% 0.05 294.5)
-
Step 500
500
#8B82AC
oklch(63% 0.063 294.3)
-
Step 600
600
#756C98
oklch(55.7% 0.068 293.4)
-
Step 700
700
#625A81
oklch(49.1% 0.062 293.4)
-
Step 800
800
#504969
oklch(42.6% 0.053 294.1)
-
Step 900
900 (this color)
#433E56
oklch(37.9% 0.041 293.9)
-
Step 950
950
#272432
oklch(27% 0.026 294.4)
#433E56 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) | #384157 | 0.019 |
| Deuteranopia (no green cones) | #394155 | 0.018 |
| Tritanopia (no blue cones) | #3F4246 | 0.035 |
| Achromatopsia (no color) | #414141 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433E56
#433E56
oklch(37.9% 0.041 293.9)
- #42452B
#42452B
oklch(38% 0.041 113.8)
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 #433E56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.041
- Onyx #343A40 ΔE 0.047
- Charcoal #264653 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.067
- Gunmetal #293241 ΔE 0.068
Use #433E56 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.