#37511B
Closest named color: Navy Green (#35530A). oklch(40.1% 0.086 131.1), rgb(55, 81, 27).
Aa
White text reads best on this color (8.91:1).
About this color
#37511B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.017 away. White text reads best on it, at 8.91:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #37511B |
| RGB | rgb(55, 81, 27) |
| HSL | hsl(89, 50%, 21%) |
| OKLCH | oklch(40.1% 0.086 131.1) |
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 #37511B | 8.91:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #37511B | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #37511B text on white | 8.91:1 | AAA | Lc 90.3 | Preferred for body text |
| #37511B text on black | 2.35:1 | Fails | Lc -12.0 | 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 900.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#D1DEC6
oklch(88.4% 0.035 130.5)
-
Step 300
300
#B2CA9E
oklch(80.9% 0.065 131.1)
-
Step 400
400
#8AAE69
oklch(70.7% 0.103 131)
-
Step 500
500
#6D993D
oklch(63.1% 0.131 130.8)
-
Step 600
600
#548315
oklch(55.5% 0.143 131.1)
-
Step 700
700
#446F02
oklch(49.1% 0.134 131.2)
-
Step 800
800
#395A0B
oklch(42.6% 0.109 130.7)
-
Step 900
900 (this color)
#37511B
oklch(40.1% 0.086 131.1)
-
Step 950
950
#1D2C0D
oklch(27.1% 0.055 130.9)
#37511B 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) | #554B15 | 0.047 |
| Deuteranopia (no green cones) | #51491F | 0.047 |
| Tritanopia (no blue cones) | #384E46 | 0.065 |
| Achromatopsia (no color) | #4A4A4A | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37511B
#37511B
oklch(40.1% 0.086 131.1)
- #57396A
#57396A
oklch(40.1% 0.087 311.2)
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 #37511B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.017
- Pine #2B5D34 ΔE 0.040
- Green Brown #544E03 ΔE 0.043
- Forest #0B5509 ΔE 0.045
- Deep Green #02590F ΔE 0.049
- Army Green #4B5D16 ΔE 0.050
- Spruce #0A5F38 ΔE 0.051
- Pine Green #0A481E ΔE 0.055
Use #37511B 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.