#433D4F
Closest named color: Charcoal Grey (#3C4142). oklch(37.3% 0.031 300.1), rgb(67, 61, 79).
Aa
White text reads best on this color (10.40:1).
About this color
#433D4F is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.031 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 10.40:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #433D4F |
| RGB | rgb(67, 61, 79) |
| HSL | hsl(260, 13%, 27%) |
| OKLCH | oklch(37.3% 0.031 300.1) |
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 #433D4F | 10.40:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #433D4F | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #433D4F text on white | 10.40:1 | AAA | Lc 94.2 | Preferred for body text |
| #433D4F 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
#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
#C3BDCE
oklch(80.8% 0.024 301.9)
-
Step 400
400
#A49CB5
oklch(70.8% 0.037 300.1)
-
Step 500
500
#8E83A3
oklch(63.1% 0.049 300.7)
-
Step 600
600
#786D8E
oklch(55.7% 0.052 300)
-
Step 700
700
#655B79
oklch(49.2% 0.049 299.9)
-
Step 800
800
#524A62
oklch(42.6% 0.04 300)
-
Step 900
900 (this color)
#433D4F
oklch(37.3% 0.031 300.1)
-
Step 950
950
#28242F
oklch(26.9% 0.021 301.6)
#433D4F 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) | #3A4050 | 0.016 |
| Deuteranopia (no green cones) | #3A404E | 0.017 |
| Tritanopia (no blue cones) | #414043 | 0.026 |
| Achromatopsia (no color) | #404040 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433D4F
#433D4F
oklch(37.3% 0.031 300.1)
- #3E4331
#3E4331
oklch(37.3% 0.03 120.5)
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 #433D4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.044
- Charcoal #264653 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.054
- Gunmetal #293241 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.067
Use #433D4F 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.