#031909
Closest named color: Rich Navy (#001219). oklch(19% 0.044 151), rgb(3, 25, 9).
Aa
White text reads best on this color (18.31:1).
About this color
#031909 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.044 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.050 away. White text reads best on it, at 18.31:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.31:1 |
Values
| HEX | #031909 |
| RGB | rgb(3, 25, 9) |
| HSL | hsl(136, 79%, 5%) |
| OKLCH | oklch(19% 0.044 151) |
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 #031909 | 18.31:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #031909 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #031909 text on white | 18.31:1 | AAA | Lc 104.8 | Preferred for body text |
| #031909 text on black | 1.14:1 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A9CBB0
oklch(81% 0.052 151.2)
-
Step 400
400
#7AB086
oklch(70.8% 0.084 150.8)
-
Step 500
500
#559C68
oklch(63.2% 0.106 151)
-
Step 600
600
#37864F
oklch(55.6% 0.115 150.9)
-
Step 700
700
#287140
oklch(49% 0.106 151.2)
-
Step 800
800
#235C35
oklch(42.6% 0.088 151.2)
-
Step 900
900
#224C2E
oklch(37.7% 0.07 151.1)
-
Step 950
950 (this color)
#031909
oklch(19% 0.044 151)
#031909 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) | #191608 | 0.036 |
| Deuteranopia (no green cones) | #16140A | 0.036 |
| Tritanopia (no blue cones) | #001815 | 0.024 |
| Achromatopsia (no color) | #151515 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031909
#031909
oklch(19% 0.044 151)
- #1F0C1D
#1F0C1D
oklch(19.1% 0.044 331.1)
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 #031909, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.050
- Almost Black #070D0D ΔE 0.053
- Rich Black #0D1B2A ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.079
- Very Dark Green #062E03 ΔE 0.084
- Jet #212529 ΔE 0.086
- Dark #1B2431 ΔE 0.090
- Very Dark Brown #1D0200 ΔE 0.092
Use #031909 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.