#37571F
Closest named color: Navy Green (#35530A). oklch(41.8% 0.091 133.9), rgb(55, 87, 31).
Aa
White text reads best on this color (8.24:1).
About this color
#37571F is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.091 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.019 away. White text reads best on it, at 8.24:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #37571F |
| RGB | rgb(55, 87, 31) |
| HSL | hsl(94, 47%, 23%) |
| OKLCH | oklch(41.8% 0.091 133.9) |
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 #37571F | 8.24:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #37571F | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #37571F text on white | 8.24:1 | AAA | Lc 88.4 | Fine for body text |
| #37571F text on black | 2.54:1 | Fails | Lc -13.8 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D1DECA
oklch(88.5% 0.03 134.4)
-
Step 300
300
#B3C9A6
oklch(81% 0.054 133.9)
-
Step 400
400
#8BAD76
oklch(70.8% 0.086 134)
-
Step 500
500
#6E9851
oklch(63.2% 0.11 133.7)
-
Step 600
600
#558234
oklch(55.6% 0.119 133.9)
-
Step 700
700
#456E27
oklch(49.1% 0.111 134.2)
-
Step 800
800 (this color)
#37571F
oklch(41.8% 0.091 133.9)
-
Step 900
900
#314A21
oklch(37.8% 0.072 134.5)
-
Step 950
950
#1D2B14
oklch(26.9% 0.044 134.1)
#37571F 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) | #5A5019 | 0.054 |
| Deuteranopia (no green cones) | #564E23 | 0.054 |
| Tritanopia (no blue cones) | #37544B | 0.067 |
| Achromatopsia (no color) | #4F4F4F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37571F
#37571F
oklch(41.8% 0.091 133.9)
- #5E3C6F
#5E3C6F
oklch(41.8% 0.091 313.7)
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 #37571F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.019
- Pine #2B5D34 ΔE 0.026
- Army Green #4B5D16 ΔE 0.035
- Spruce #0A5F38 ΔE 0.039
- Deep Green #02590F ΔE 0.045
- Camouflage Green #4B6113 ΔE 0.045
- Green Brown #544E03 ΔE 0.046
- Forest #0B5509 ΔE 0.046
Use #37571F 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.