#031D09
Closest named color: Rich Navy (#001219). oklch(20.4% 0.051 149), rgb(3, 29, 9).
Aa
White text reads best on this color (17.74:1).
About this color
#031D09 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.051 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.062 away. White text reads best on it, at 17.74:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.18:1 |
| White text | 17.74:1 |
Values
| HEX | #031D09 |
| RGB | rgb(3, 29, 9) |
| HSL | hsl(134, 81%, 6%) |
| OKLCH | oklch(20.4% 0.051 149) |
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 #031D09 | 17.74:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #031D09 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #031D09 text on white | 17.74:1 | AAA | Lc 104.4 | Preferred for body text |
| #031D09 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A6CCAC
oklch(80.9% 0.06 149.5)
-
Step 400
400
#75B27F
oklch(70.8% 0.097 148.6)
-
Step 500
500
#4D9E5F
oklch(63.2% 0.123 149)
-
Step 600
600
#2A8845
oklch(55.6% 0.134 149.2)
-
Step 700
700
#1B7336
oklch(49% 0.124 149.1)
-
Step 800
800
#1A5E2D
oklch(42.7% 0.104 148.9)
-
Step 900
900
#1D4D29
oklch(37.7% 0.08 149.3)
-
Step 950
950 (this color)
#031D09
oklch(20.4% 0.051 149)
#031D09 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) | #1D1A08 | 0.040 |
| Deuteranopia (no green cones) | #1A170A | 0.041 |
| Tritanopia (no blue cones) | #001C18 | 0.029 |
| Achromatopsia (no color) | #181818 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031D09
#031D09
oklch(20.4% 0.051 149)
- #230D22
#230D22
oklch(20.3% 0.051 329)
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 #031D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.062
- Dark Forest Green #002D04 ΔE 0.063
- Very Dark Green #062E03 ΔE 0.068
- Almost Black #070D0D ΔE 0.068
- Rich Black #0D1B2A ΔE 0.069
- Jet #212529 ΔE 0.079
- Dark #1B2431 ΔE 0.085
- Dark Brown #341C02 ΔE 0.086
Use #031D09 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.