#3A5243
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.4% 0.039 156.8), rgb(58, 82, 67).
Aa
White text reads best on this color (8.50:1).
About this color
#3A5243 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.039 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.028 away. White text reads best on it, at 8.50:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #3A5243 |
| RGB | rgb(58, 82, 67) |
| HSL | hsl(143, 17%, 27%) |
| OKLCH | oklch(41.4% 0.039 156.8) |
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 #3A5243 | 8.50:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #3A5243 | 2.46:1 | Fails | Lc 14.7 | Not readable |
| #3A5243 text on white | 8.50:1 | AAA | Lc 89.3 | Fine for body text |
| #3A5243 text on black | 2.46:1 | Fails | Lc -13.0 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D3DCD6
oklch(88.6% 0.013 157)
-
Step 300
300
#B5C5BB
oklch(80.8% 0.022 158.5)
-
Step 400
400
#8FA898
oklch(70.8% 0.036 157.3)
-
Step 500
500
#73927E
oklch(63% 0.046 156.5)
-
Step 600
600
#5B7C68
oklch(55.5% 0.049 157.8)
-
Step 700
700
#4B6956
oklch(49.1% 0.046 156.5)
-
Step 800
800 (this color)
#3A5243
oklch(41.4% 0.039 156.8)
-
Step 900
900
#35473B
oklch(37.8% 0.031 155.5)
-
Step 950
950
#1F2923
oklch(26.9% 0.018 158.6)
#3A5243 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) | #524E42 | 0.037 |
| Deuteranopia (no green cones) | #4E4B44 | 0.036 |
| Tritanopia (no blue cones) | #36524E | 0.018 |
| Achromatopsia (no color) | #4D4D4D | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5243
#3A5243
oklch(41.4% 0.039 156.8)
- #594453
#594453
oklch(41.4% 0.037 336.8)
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 #3A5243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Blue Green #005249 ΔE 0.044
- Deep Teal #00555A ΔE 0.050
- Pine #2B5D34 ΔE 0.052
- Dark Teal #014D4E ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.056
- Charcoal #264653 ΔE 0.061
Use #3A5243 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.