#405239
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.6% 0.046 137.1), rgb(64, 82, 57).
Aa
White text reads best on this color (8.45:1).
About this color
#405239 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.046 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.044 away. White text reads best on it, at 8.45:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #405239 |
| RGB | rgb(64, 82, 57) |
| HSL | hsl(103, 18%, 27%) |
| OKLCH | oklch(41.6% 0.046 137.1) |
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 #405239 | 8.45:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #405239 | 2.48:1 | Fails | Lc 14.9 | Not readable |
| #405239 text on white | 8.45:1 | AAA | Lc 89.1 | Fine for body text |
| #405239 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D5DCD2
oklch(88.6% 0.015 136.1)
-
Step 300
300
#B9C5B4
oklch(80.9% 0.027 136.3)
-
Step 400
400
#94A78D
oklch(70.6% 0.043 137.3)
-
Step 500
500
#7A9271
oklch(63.2% 0.055 137.2)
-
Step 600
600
#637C59
oklch(55.7% 0.06 136.9)
-
Step 700
700
#526849
oklch(49% 0.055 136.8)
-
Step 800
800 (this color)
#405239
oklch(41.6% 0.046 137.1)
-
Step 900
900
#394633
oklch(37.7% 0.036 135.9)
-
Step 950
950
#21291E
oklch(26.9% 0.023 137.2)
#405239 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) | #544E37 | 0.032 |
| Deuteranopia (no green cones) | #514C3A | 0.032 |
| Tritanopia (no blue cones) | #40504B | 0.032 |
| Achromatopsia (no color) | #4D4D4D | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405239
#405239
oklch(41.6% 0.046 137.1)
- #56445D
#56445D
oklch(41.5% 0.047 316.4)
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 #405239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.044
- Pine #2B5D34 ΔE 0.045
- Green Brown #544E03 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.055
- Navy Green #35530A ΔE 0.058
- Spruce #0A5F38 ΔE 0.059
- Dark Green Blue #1F6357 ΔE 0.061
- Army Green #4B5D16 ΔE 0.062
Use #405239 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.