#40543D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.2% 0.045 141.4), rgb(64, 84, 61).
Aa
White text reads best on this color (8.22:1).
About this color
#40543D is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.045 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.043 away. White text reads best on it, at 8.22:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #40543D |
| RGB | rgb(64, 84, 61) |
| HSL | hsl(112, 16%, 28%) |
| OKLCH | oklch(42.2% 0.045 141.4) |
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 #40543D | 8.22:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #40543D | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #40543D text on white | 8.22:1 | AAA | Lc 88.4 | Fine for body text |
| #40543D text on black | 2.55:1 | Fails | Lc -13.8 | 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
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D4DCD3
oklch(88.6% 0.015 142.2)
-
Step 300
300
#B8C5B5
oklch(80.9% 0.026 139.8)
-
Step 400
400
#93A88F
oklch(70.8% 0.043 140.6)
-
Step 500
500
#789274
oklch(63.1% 0.053 141.4)
-
Step 600
600
#607C5C
oklch(55.5% 0.058 141.5)
-
Step 700
700
#50694C
oklch(49.2% 0.054 141.2)
-
Step 800
800 (this color)
#40543D
oklch(42.2% 0.045 141.4)
-
Step 900
900
#374635
oklch(37.6% 0.034 141.8)
-
Step 950
950
#20291F
oklch(26.9% 0.022 142.3)
#40543D 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) | #55503C | 0.033 |
| Deuteranopia (no green cones) | #524E3E | 0.033 |
| Tritanopia (no blue cones) | #3F524E | 0.030 |
| Achromatopsia (no color) | #4F4F4F | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40543D
#40543D
oklch(42.2% 0.045 141.4)
- #59465D
#59465D
oklch(42.3% 0.044 320.4)
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 #40543D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.043
- Pine #2B5D34 ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
- Green Brown #544E03 ΔE 0.058
- Army Green #4B5D16 ΔE 0.062
- Navy Green #35530A ΔE 0.062
Use #40543D 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.