#2D4837
Closest named color: Dark Slate Gray (#2F4F4F). oklch(37.4% 0.044 156), rgb(45, 72, 55).
Aa
White text reads best on this color (10.03:1).
About this color
#2D4837 is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.044 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.040 away. White text reads best on it, at 10.03:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #2D4837 |
| RGB | rgb(45, 72, 55) |
| HSL | hsl(142, 23%, 23%) |
| OKLCH | oklch(37.4% 0.044 156) |
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 #2D4837 | 10.03:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #2D4837 | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #2D4837 text on white | 10.03:1 | AAA | Lc 93.2 | Preferred for body text |
| #2D4837 text on black | 2.09:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B0C7B8
oklch(80.8% 0.033 157)
-
Step 400
400
#86AB93
oklch(70.7% 0.053 156.3)
-
Step 500
500
#679678
oklch(63.1% 0.068 155.9)
-
Step 600
600
#4E8061
oklch(55.5% 0.073 155.9)
-
Step 700
700
#3E6C50
oklch(49% 0.068 156.1)
-
Step 800
800
#345842
oklch(42.6% 0.056 156.3)
-
Step 900
900 (this color)
#2D4837
oklch(37.4% 0.044 156)
-
Step 950
950
#1B2B21
oklch(27.1% 0.028 156.5)
#2D4837 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) | #484436 | 0.041 |
| Deuteranopia (no green cones) | #434138 | 0.039 |
| Tritanopia (no blue cones) | #284743 | 0.022 |
| Achromatopsia (no color) | #424242 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4837
#2D4837
oklch(37.4% 0.044 156)
- #50384A
#50384A
oklch(37.5% 0.044 335.7)
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 #2D4837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.041
- Dark Blue Green #005249 ΔE 0.041
- Evergreen #05472A ΔE 0.042
- Dark Teal #014D4E ΔE 0.043
- Charcoal #264653 ΔE 0.051
- Pine Green #0A481E ΔE 0.053
- Onyx #343A40 ΔE 0.055
Use #2D4837 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.