#31570A
Closest named color: Navy Green (#35530A). oklch(41.3% 0.11 133.4), rgb(49, 87, 10).
Aa
White text reads best on this color (8.40:1).
About this color
#31570A is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.013 away. White text reads best on it, at 8.40:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #31570A |
| RGB | rgb(49, 87, 10) |
| HSL | hsl(90, 79%, 19%) |
| OKLCH | oklch(41.3% 0.11 133.4) |
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 #31570A | 8.40:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #31570A | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #31570A text on white | 8.40:1 | AAA | Lc 88.8 | Fine for body text |
| #31570A text on black | 2.49:1 | Fails | Lc -13.4 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#D0DFC7
oklch(88.6% 0.036 133.6)
-
Step 300
300
#B0CAA0
oklch(80.8% 0.064 133.6)
-
Step 400
400
#87AF6B
oklch(70.8% 0.104 133.3)
-
Step 500
500
#689A41
oklch(63.1% 0.132 133.4)
-
Step 600
600
#4F841D
oklch(55.6% 0.143 133.4)
-
Step 700
700
#40700D
oklch(49.2% 0.133 133.4)
-
Step 800
800 (this color)
#31570A
oklch(41.3% 0.11 133.4)
-
Step 900
900
#2E4B16
oklch(37.7% 0.087 133.4)
-
Step 950
950
#1B2C0F
oklch(27% 0.054 134)
#31570A 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) | #5B4F00 | 0.064 |
| Deuteranopia (no green cones) | #564C13 | 0.064 |
| Tritanopia (no blue cones) | #315349 | 0.082 |
| Achromatopsia (no color) | #4D4D4D | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31570A
#31570A
oklch(41.3% 0.11 133.4)
- #603675
#603675
oklch(41.3% 0.111 313.3)
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 #31570A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.013
- Deep Green #02590F ΔE 0.031
- Forest #0B5509 ΔE 0.032
- Pine #2B5D34 ΔE 0.040
- Army Green #4B5D16 ΔE 0.043
- Spruce #0A5F38 ΔE 0.046
- Dark Green #006400 ΔE 0.049
- Camouflage Green #4B6113 ΔE 0.049
Use #31570A 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.