#405343
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.1% 0.035 149.3), rgb(64, 83, 67).
Aa
White text reads best on this color (8.27:1).
About this color
#405343 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.035 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 8.27:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #405343 |
| RGB | rgb(64, 83, 67) |
| HSL | hsl(129, 13%, 29%) |
| OKLCH | oklch(42.1% 0.035 149.3) |
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 #405343 | 8.27:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #405343 | 2.53:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #405343 text on white | 8.27:1 | AAA | Lc 88.6 | Fine for body text |
| #405343 text on black | 2.53:1 | Fails | Lc -13.6 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD5
oklch(88.4% 0.011 149.8)
-
Step 300
300
#B8C5BA
oklch(81% 0.021 150)
-
Step 400
400
#93A796
oklch(70.8% 0.033 149.6)
-
Step 500
500
#78917C
oklch(63.1% 0.042 149.7)
-
Step 600
600
#617B65
oklch(55.6% 0.045 149.2)
-
Step 700
700
#506854
oklch(49.2% 0.043 149.6)
-
Step 800
800 (this color)
#405343
oklch(42.1% 0.035 149.3)
-
Step 900
900
#38463A
oklch(37.8% 0.027 149)
-
Step 950
950
#212922
oklch(27.1% 0.017 148.6)
#405343 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) | #535042 | 0.029 |
| Deuteranopia (no green cones) | #504D44 | 0.030 |
| Tritanopia (no blue cones) | #3E524E | 0.019 |
| Achromatopsia (no color) | #4E4E4E | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405343
#405343
oklch(42.1% 0.035 149.3)
- #594757
#594757
oklch(42.2% 0.035 329.9)
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 #405343, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Pine #2B5D34 ΔE 0.052
- Dark Blue Green #005249 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
- Deep Teal #00555A ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.060
- Dark Teal #014D4E ΔE 0.062
- Spruce #0A5F38 ΔE 0.064
Use #405343 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.