#433D50
Closest named color: Charcoal Grey (#3C4142). oklch(37.4% 0.033 299.3), rgb(67, 61, 80).
Aa
White text reads best on this color (10.38:1).
About this color
#433D50 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.033 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.034 away. White text reads best on it, at 10.38:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #433D50 |
| RGB | rgb(67, 61, 80) |
| HSL | hsl(259, 13%, 28%) |
| OKLCH | oklch(37.4% 0.033 299.3) |
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 #433D50 | 10.38:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #433D50 | 2.02:1 | Fails | Lc 9.8 | Not readable |
| #433D50 text on white | 10.38:1 | AAA | Lc 94.1 | Preferred for body text |
| #433D50 text on black | 2.02:1 | 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
#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
#C2BDCF
oklch(80.8% 0.026 298.5)
-
Step 400
400
#A49CB6
oklch(70.8% 0.038 299.5)
-
Step 500
500
#8D83A4
oklch(63% 0.05 298.8)
-
Step 600
600
#786C8F
oklch(55.5% 0.055 300.3)
-
Step 700
700
#655A7A
oklch(49% 0.052 300.2)
-
Step 800
800
#524A63
oklch(42.7% 0.042 299.3)
-
Step 900
900 (this color)
#433D50
oklch(37.4% 0.033 299.3)
-
Step 950
950
#28242F
oklch(26.9% 0.021 301.6)
#433D50 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) | #394051 | 0.018 |
| Deuteranopia (no green cones) | #3A404F | 0.017 |
| Tritanopia (no blue cones) | #414043 | 0.028 |
| Achromatopsia (no color) | #404040 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433D50
#433D50
oklch(37.4% 0.033 299.3)
- #3F4330
#3F4330
oklch(37.3% 0.031 117.6)
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 #433D50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.034
- Onyx #343A40 ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.044
- Charcoal #264653 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.055
- Gunmetal #293241 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.067
Use #433D50 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.