#031C0B
Closest named color: Rich Navy (#001219). oklch(20.1% 0.047 151.9), rgb(3, 28, 11).
Aa
White text reads best on this color (17.87:1).
About this color
#031C0B is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.047 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.057 away. White text reads best on it, at 17.87:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.17:1 |
| White text | 17.87:1 |
Values
| HEX | #031C0B |
| RGB | rgb(3, 28, 11) |
| HSL | hsl(139, 81%, 6%) |
| OKLCH | oklch(20.1% 0.047 151.9) |
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 #031C0B | 17.87:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #031C0B | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #031C0B text on white | 17.87:1 | AAA | Lc 104.5 | Preferred for body text |
| #031C0B text on black | 1.17:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CBDFCF
oklch(88.4% 0.03 151.5)
-
Step 300
300
#A7CBAF
oklch(80.8% 0.055 151.7)
-
Step 400
400
#76B185
oklch(70.8% 0.089 151.6)
-
Step 500
500
#4F9D67
oklch(63.2% 0.113 151.9)
-
Step 600
600
#2D874E
oklch(55.5% 0.122 152.1)
-
Step 700
700
#1E723E
oklch(48.9% 0.114 151.8)
-
Step 800
800
#1C5D34
oklch(42.6% 0.094 152.2)
-
Step 900
900
#1E4D2D
oklch(37.8% 0.075 151.6)
-
Step 950
950 (this color)
#031C0B
oklch(20.1% 0.047 151.9)
#031C0B 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) | #1C190A | 0.039 |
| Deuteranopia (no green cones) | #19160C | 0.040 |
| Tritanopia (no blue cones) | #001B18 | 0.026 |
| Achromatopsia (no color) | #171717 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031C0B
#031C0B
oklch(20.1% 0.047 151.9)
- #220D20
#220D20
oklch(20% 0.048 330.8)
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 #031C0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.057
- Almost Black #070D0D ΔE 0.063
- Rich Black #0D1B2A ΔE 0.065
- Dark Forest Green #002D04 ΔE 0.068
- Very Dark Green #062E03 ΔE 0.073
- Jet #212529 ΔE 0.078
- Dark #1B2431 ΔE 0.083
- Dark Brown #341C02 ΔE 0.087
Use #031C0B 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.