#433940
Closest named color: Onyx (#343A40). oklch(35.8% 0.018 336.8), rgb(67, 57, 64).
Aa
White text reads best on this color (11.06:1).
About this color
#433940 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.025 away. White text reads best on it, at 11.06:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.89:1 |
| White text | 11.06:1 |
Values
| HEX | #433940 |
| RGB | rgb(67, 57, 64) |
| HSL | hsl(318, 8%, 24%) |
| OKLCH | oklch(35.8% 0.018 336.8) |
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 #433940 | 11.06:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #433940 | 1.89:1 | Fails | Lc 8.3 | Not readable |
| #433940 text on white | 11.06:1 | AAA | Lc 95.6 | Preferred for body text |
| #433940 text on black | 1.89:1 | Fails | Lc 0.0 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EB
oklch(93.7% 0.004 337.4)
-
Step 200
200
#DDD7DB
oklch(88.5% 0.008 337.5)
-
Step 300
300
#C7BDC4
oklch(80.9% 0.015 336.2)
-
Step 400
400
#AA9CA6
oklch(70.8% 0.022 335.8)
-
Step 500
500
#958390
oklch(63% 0.029 335.8)
-
Step 600
600
#7F6D7A
oklch(55.6% 0.03 335.9)
-
Step 700
700
#6C5B67
oklch(49.2% 0.029 336.7)
-
Step 800
800
#584A54
oklch(42.7% 0.024 336.3)
-
Step 900
900 (this color)
#433940
oklch(35.8% 0.018 336.8)
-
Step 950
950
#2A2428
oklch(26.9% 0.011 338.1)
#433940 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) | #393B40 | 0.018 |
| Deuteranopia (no green cones) | #3B3C40 | 0.016 |
| Tritanopia (no blue cones) | #44393B | 0.009 |
| Achromatopsia (no color) | #3C3C3C | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433940
#433940
oklch(35.8% 0.018 336.8)
- #353F39
#353F39
oklch(35.6% 0.017 159.1)
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 #433940, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.025
- Charcoal Grey #3C4142 ΔE 0.026
- Gunmetal #293241 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.056
- Charcoal #264653 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.062
- Purple Brown #673A3F ΔE 0.069
Use #433940 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.