#405148
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.7% 0.026 162), rgb(64, 81, 72).
Aa
White text reads best on this color (8.43:1).
About this color
#405148 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.026 away. White text reads best on it, at 8.43:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.48:1 |
| White text | 8.43:1 |
Values
| HEX | #405148 |
| RGB | rgb(64, 81, 72) |
| HSL | hsl(148, 12%, 28%) |
| OKLCH | oklch(41.7% 0.026 162) |
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 #405148 | 8.43:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #405148 | 2.48:1 | Fails | Lc 14.9 | Not readable |
| #405148 text on white | 8.43:1 | AAA | Lc 89.1 | Fine for body text |
| #405148 text on black | 2.48:1 | Fails | Lc -13.1 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B8C4BD
oklch(80.9% 0.016 160.5)
-
Step 400
400
#94A69C
oklch(70.8% 0.025 161.5)
-
Step 500
500
#799084
oklch(63.2% 0.032 162.7)
-
Step 600
600
#627A6D
oklch(55.6% 0.034 161.4)
-
Step 700
700
#51675B
oklch(49.2% 0.033 161.1)
-
Step 800
800 (this color)
#405148
oklch(41.7% 0.026 162)
-
Step 900
900
#38453E
oklch(37.6% 0.021 161.7)
-
Step 950
950
#212824
oklch(26.8% 0.012 160.4)
#405148 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) | #504E48 | 0.025 |
| Deuteranopia (no green cones) | #4D4C49 | 0.025 |
| Tritanopia (no blue cones) | #3D514E | 0.010 |
| Achromatopsia (no color) | #4D4D4D | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405148
#405148
oklch(41.7% 0.026 162)
- #574750
#574750
oklch(41.8% 0.026 343.4)
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 #405148, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.026
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Green #005249 ΔE 0.053
- Deep Teal #00555A ΔE 0.053
- Charcoal #264653 ΔE 0.058
- Dark Teal #014D4E ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.059
- Pine #2B5D34 ΔE 0.063
Use #405148 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.