#404D46
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.6% 0.02 161.9), rgb(64, 77, 70).
Aa
White text reads best on this color (8.86:1).
About this color
#404D46 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.024 away. White text reads best on it, at 8.86:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #404D46 |
| RGB | rgb(64, 77, 70) |
| HSL | hsl(148, 9%, 28%) |
| OKLCH | oklch(40.6% 0.02 161.9) |
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 #404D46 | 8.86:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #404D46 | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #404D46 text on white | 8.86:1 | AAA | Lc 90.3 | Preferred for body text |
| #404D46 text on black | 2.36:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D5DAD8
oklch(88.4% 0.006 170.4)
-
Step 300
300
#BAC3BE
oklch(80.9% 0.012 162)
-
Step 400
400
#97A49D
oklch(70.6% 0.018 162.5)
-
Step 500
500
#7D8E85
oklch(63% 0.024 162.7)
-
Step 600
600
#66786F
oklch(55.5% 0.025 163.9)
-
Step 700
700
#55655C
oklch(49% 0.024 160.8)
-
Step 800
800 (this color)
#404D46
oklch(40.6% 0.02 161.9)
-
Step 900
900
#3A443F
oklch(37.6% 0.016 164)
-
Step 950
950
#222825
oklch(27% 0.01 164.1)
#404D46 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) | #4D4B46 | 0.021 |
| Deuteranopia (no green cones) | #4A4946 | 0.019 |
| Tritanopia (no blue cones) | #3E4D4B | 0.009 |
| Achromatopsia (no color) | #4A4A4A | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404D46
#404D46
oklch(40.6% 0.02 161.9)
- #52454C
#52454C
oklch(40.6% 0.021 344.4)
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 #404D46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.024
- Charcoal Grey #3C4142 ΔE 0.039
- Charcoal #264653 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.053
- Dark Teal #014D4E ΔE 0.055
- Deep Teal #00555A ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.057
- Onyx #343A40 ΔE 0.066
Use #404D46 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.