#031D0F
Closest named color: Rich Navy (#001219). oklch(20.5% 0.043 157.1), rgb(3, 29, 15).
Aa
White text reads best on this color (17.69:1).
About this color
#031D0F is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.043 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.055 away. White text reads best on it, at 17.69:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.18:1 |
| White text | 17.69:1 |
Values
| HEX | #031D0F |
| RGB | rgb(3, 29, 15) |
| HSL | hsl(148, 81%, 6%) |
| OKLCH | oklch(20.5% 0.043 157.1) |
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 #031D0F | 17.69:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #031D0F | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #031D0F text on white | 17.69:1 | AAA | Lc 104.4 | Preferred for body text |
| #031D0F text on black | 1.18:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CBDFD2
oklch(88.5% 0.028 157.3)
-
Step 300
300
#A6CBB4
oklch(80.9% 0.051 157.8)
-
Step 400
400
#74B08C
oklch(70.6% 0.082 157.2)
-
Step 500
500
#4C9C70
oklch(63% 0.104 157.4)
-
Step 600
600
#298758
oklch(55.6% 0.114 157.2)
-
Step 700
700
#1A7248
oklch(49.1% 0.105 157.3)
-
Step 800
800
#195D3B
oklch(42.7% 0.088 157.1)
-
Step 900
900
#1D4C33
oklch(37.6% 0.067 157.5)
-
Step 950
950 (this color)
#031D0F
oklch(20.5% 0.043 157.1)
#031D0F 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) | #1D1A0E | 0.040 |
| Deuteranopia (no green cones) | #191710 | 0.039 |
| Tritanopia (no blue cones) | #001D19 | 0.019 |
| Achromatopsia (no color) | #181818 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031D0F
#031D0F
oklch(20.5% 0.043 157.1)
- #240F1E
#240F1E
oklch(20.6% 0.043 338.8)
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 #031D0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.059
- Almost Black #070D0D ΔE 0.064
- Dark Forest Green #002D04 ΔE 0.067
- Very Dark Green #062E03 ΔE 0.072
- Jet #212529 ΔE 0.072
- Dark #1B2431 ΔE 0.077
- Dark Brown #341C02 ΔE 0.086
Use #031D0F 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.