#433C50
Closest named color: Charcoal Grey (#3C4142). oklch(37.1% 0.035 300.7), rgb(67, 60, 80).
Aa
White text reads best on this color (10.49:1).
About this color
#433C50 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.035 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.036 away. White text reads best on it, at 10.49:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #433C50 |
| RGB | rgb(67, 60, 80) |
| HSL | hsl(261, 14%, 27%) |
| OKLCH | oklch(37.1% 0.035 300.7) |
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 #433C50 | 10.49:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #433C50 | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #433C50 text on white | 10.49:1 | AAA | Lc 94.4 | Preferred for body text |
| #433C50 text on black | 2.00:1 | Fails | Lc -8.2 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#DAD7E1
oklch(88.4% 0.014 299.8)
-
Step 300
300
#C3BDCF
oklch(80.9% 0.026 301)
-
Step 400
400
#A59BB7
oklch(70.7% 0.042 301.6)
-
Step 500
500
#8F82A5
oklch(63.1% 0.054 301.8)
-
Step 600
600
#796C91
oklch(55.7% 0.058 300.6)
-
Step 700
700
#665A7B
oklch(49.2% 0.054 301.1)
-
Step 800
800
#534964
oklch(42.6% 0.046 301.4)
-
Step 900
900 (this color)
#433C50
oklch(37.1% 0.035 300.7)
-
Step 950
950
#282430
oklch(27% 0.023 300.1)
#433C50 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) | #383F51 | 0.019 |
| Deuteranopia (no green cones) | #393F4F | 0.019 |
| Tritanopia (no blue cones) | #413F43 | 0.028 |
| Achromatopsia (no color) | #3F3F3F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433C50
#433C50
oklch(37.1% 0.035 300.7)
- #3D432E
#3D432E
oklch(37.1% 0.035 121.1)
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 #433C50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.036
- Onyx #343A40 ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.045
- Charcoal #264653 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.054
- Gunmetal #293241 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.066
Use #433C50 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.