#1F4303
Closest named color: Forrest Green (#154406). oklch(34.2% 0.098 135.5), rgb(31, 67, 3).
Aa
White text reads best on this color (11.27:1).
About this color
#1F4303 is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.098 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.009 away. White text reads best on it, at 11.27:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.86:1 |
| White text | 11.27:1 |
Values
| HEX | #1F4303 |
| RGB | rgb(31, 67, 3) |
| HSL | hsl(94, 91%, 14%) |
| OKLCH | oklch(34.2% 0.098 135.5) |
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 #1F4303 | 11.27:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #1F4303 | 1.86:1 | Fails | Lc 8.1 | Not readable |
| #1F4303 text on white | 11.27:1 | AAA | Lc 95.8 | Preferred for body text |
| #1F4303 text on black | 1.86:1 | 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 900.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CEE0C5
oklch(88.6% 0.041 135.1)
-
Step 300
300
#ACCC9D
oklch(80.9% 0.073 135.8)
-
Step 400
400
#7FB165
oklch(70.7% 0.118 135.6)
-
Step 500
500
#5E9D37
oklch(63.1% 0.15 135.5)
-
Step 600
600
#438702
oklch(55.6% 0.163 135.5)
-
Step 700
700
#377200
oklch(49.2% 0.145 135.5)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900 (this color)
#1F4303
oklch(34.2% 0.098 135.5)
-
Step 950
950
#182D0B
oklch(27% 0.062 135.4)
#1F4303 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) | #463C00 | 0.060 |
| Deuteranopia (no green cones) | #413A0A | 0.058 |
| Tritanopia (no blue cones) | #1E4038 | 0.071 |
| Achromatopsia (no color) | #3B3B3B | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F4303
#1F4303
oklch(34.2% 0.098 135.5)
- #4B265A
#4B265A
oklch(34.2% 0.096 315.3)
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 #1F4303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.009
- British Racing Green #05480D ΔE 0.021
- Hunter Green #0B4008 ΔE 0.021
- Racing Green #014600 ΔE 0.022
- Darkgreen #054907 ΔE 0.024
- Pine Green #0A481E ΔE 0.025
- Bottle Green #044A05 ΔE 0.027
- Dark Olive #373E02 ΔE 0.035
Use #1F4303 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.