#031F0A
Closest named color: Dark Forest Green (#002D04). oklch(21.1% 0.053 149.2), rgb(3, 31, 10).
Aa
White text reads best on this color (17.43:1).
About this color
#031F0A is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.053 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.056 away. White text reads best on it, at 17.43:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.20:1 |
| White text | 17.43:1 |
Values
| HEX | #031F0A |
| RGB | rgb(3, 31, 10) |
| HSL | hsl(135, 82%, 7%) |
| OKLCH | oklch(21.1% 0.053 149.2) |
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 #031F0A | 17.43:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #031F0A | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #031F0A text on white | 17.43:1 | AAA | Lc 104.1 | Preferred for body text |
| #031F0A text on black | 1.20:1 | 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
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A5CDAB
oklch(81% 0.064 149.2)
-
Step 400
400
#72B27E
oklch(70.6% 0.1 149.2)
-
Step 500
500
#489F5D
oklch(63.2% 0.129 149.3)
-
Step 600
600
#238943
oklch(55.6% 0.14 149.3)
-
Step 700
700
#127434
oklch(49.1% 0.13 149.2)
-
Step 800
800
#155F2C
oklch(42.9% 0.108 149.2)
-
Step 900
900
#1A4E28
oklch(37.8% 0.084 149.4)
-
Step 950
950 (this color)
#031F0A
oklch(21.1% 0.053 149.2)
#031F0A 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) | #1F1B08 | 0.043 |
| Deuteranopia (no green cones) | #1C190C | 0.043 |
| Tritanopia (no blue cones) | #001E1A | 0.030 |
| Achromatopsia (no color) | #1A1A1A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031F0A
#031F0A
oklch(21.1% 0.053 149.2)
- #260E24
#260E24
oklch(21.1% 0.054 330.5)
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 #031F0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.056
- Very Dark Green #062E03 ΔE 0.061
- Rich Navy #001219 ΔE 0.068
- Rich Black #0D1B2A ΔE 0.070
- Jet #212529 ΔE 0.075
- Almost Black #070D0D ΔE 0.075
- Dark #1B2431 ΔE 0.082
- Dark Brown #341C02 ΔE 0.084
Use #031F0A 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.