#404436
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.024 120.5), rgb(64, 68, 54).
Aa
White text reads best on this color (10.00:1).
About this color
#404436 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.026 away. White text reads best on it, at 10.00:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #404436 |
| RGB | rgb(64, 68, 54) |
| HSL | hsl(77, 11%, 24%) |
| OKLCH | oklch(37.8% 0.024 120.5) |
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 #404436 | 10.00:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #404436 | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #404436 text on white | 10.00:1 | AAA | Lc 93.3 | Preferred for body text |
| #404436 text on black | 2.09:1 | Fails | Lc -9.2 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD3
oklch(88.5% 0.01 119.6)
-
Step 300
300
#BFC2B6
oklch(80.8% 0.017 118.2)
-
Step 400
400
#9EA490
oklch(70.8% 0.029 120.7)
-
Step 500
500
#868D75
oklch(63.1% 0.036 120.6)
-
Step 600
600
#70775D
oklch(55.6% 0.04 119.9)
-
Step 700
700
#5E644D
oklch(49.1% 0.036 119.6)
-
Step 800
800
#4C523F
oklch(42.7% 0.031 122)
-
Step 900
900 (this color)
#404436
oklch(37.8% 0.024 120.5)
-
Step 950
950
#25281F
oklch(27.1% 0.017 122.5)
#404436 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) | #464235 | 0.011 |
| Deuteranopia (no green cones) | #454237 | 0.011 |
| Tritanopia (no blue cones) | #414240 | 0.020 |
| Achromatopsia (no color) | #424242 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404436
#404436
oklch(37.8% 0.024 120.5)
- #443F4D
#443F4D
oklch(37.8% 0.024 301.5)
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 #404436, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.046
- Onyx #343A40 ΔE 0.047
- Charcoal #264653 ΔE 0.055
- Dark Teal #014D4E ΔE 0.063
- Dark Olive #373E02 ΔE 0.064
- Dark Blue Green #005249 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.066
Use #404436 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.