#1F3103
Closest named color: Very Dark Green (#062E03). oklch(28.7% 0.072 129.1), rgb(31, 49, 3).
Aa
White text reads best on this color (14.01:1).
About this color
#1F3103 is a dark, moderately saturated green. In OKLCH its lightness is 29%, its chroma 0.072 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.030 away. White text reads best on it, at 14.01:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.49:1 |
| White text | 14.01:1 |
Values
| HEX | #1F3103 |
| RGB | rgb(31, 49, 3) |
| HSL | hsl(83, 88%, 10%) |
| OKLCH | oklch(28.7% 0.072 129.1) |
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 #1F3103 | 14.01:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #1F3103 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #1F3103 text on white | 14.01:1 | AAA | Lc 100.5 | Preferred for body text |
| #1F3103 text on black | 1.49:1 | 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
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E5EDDC
oklch(93.5% 0.024 127.6)
-
Step 200
200
#CFE0BF
oklch(88.5% 0.048 129.7)
-
Step 300
300
#AFCC91
oklch(80.9% 0.086 129.4)
-
Step 400
400
#86B14E
oklch(70.8% 0.137 129)
-
Step 500
500
#699C00
oklch(63.2% 0.168 129.1)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950 (this color)
#1F3103
oklch(28.7% 0.072 129.1)
#1F3103 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) | #342D00 | 0.036 |
| Deuteranopia (no green cones) | #312B07 | 0.037 |
| Tritanopia (no blue cones) | #202E28 | 0.056 |
| Achromatopsia (no color) | #2C2C2C | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F3103
#1F3103
oklch(28.7% 0.072 129.1)
- #351F45
#351F45
oklch(28.7% 0.072 309.3)
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 #1F3103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.030
- Pakistan Green #283618 ΔE 0.032
- Dark Forest Green #002D04 ΔE 0.037
- Hunter Green #0B4008 ΔE 0.051
- Dark Olive #373E02 ΔE 0.061
- Forrest Green #154406 ΔE 0.064
- Racing Green #014600 ΔE 0.073
- Pine Green #0A481E ΔE 0.075
Use #1F3103 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.