#37513A
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.7% 0.05 147.5), rgb(55, 81, 58).
Aa
White text reads best on this color (8.74:1).
About this color
#37513A is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.050 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.037 away. White text reads best on it, at 8.74:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #37513A |
| RGB | rgb(55, 81, 58) |
| HSL | hsl(127, 19%, 27%) |
| OKLCH | oklch(40.7% 0.05 147.5) |
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 #37513A | 8.74:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #37513A | 2.40:1 | Fails | Lc 14.1 | Not readable |
| #37513A text on white | 8.74:1 | AAA | Lc 89.9 | Fine for body text |
| #37513A text on black | 2.40:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD3
oklch(88.4% 0.016 148.4)
-
Step 300
300
#B5C6B6
oklch(80.9% 0.029 147)
-
Step 400
400
#8EA990
oklch(70.7% 0.047 147.1)
-
Step 500
500
#729475
oklch(63.2% 0.06 147.1)
-
Step 600
600
#5A7E5E
oklch(55.7% 0.064 147.5)
-
Step 700
700
#496A4D
oklch(49% 0.06 147.7)
-
Step 800
800 (this color)
#37513A
oklch(40.7% 0.05 147.5)
-
Step 900
900
#344736
oklch(37.6% 0.037 147.6)
-
Step 950
950
#1E2A20
oklch(27% 0.025 149.5)
#37513A 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) | #524D39 | 0.041 |
| Deuteranopia (no green cones) | #4E4A3B | 0.040 |
| Tritanopia (no blue cones) | #34504B | 0.029 |
| Achromatopsia (no color) | #4B4B4B | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37513A
#37513A
oklch(40.7% 0.05 147.5)
- #584057
#584057
oklch(40.6% 0.049 327.8)
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 #37513A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.043
- Pine #2B5D34 ΔE 0.044
- Spruce #0A5F38 ΔE 0.055
- Dark Teal #014D4E ΔE 0.055
- Navy Green #35530A ΔE 0.057
- Deep Teal #00555A ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.059
Use #37513A 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.