#1F3401
Closest named color: Pakistan Green (#283618). oklch(29.6% 0.079 130.2), rgb(31, 52, 1).
Aa
White text reads best on this color (13.54:1).
About this color
#1F3401 is a dark, moderately saturated green. In OKLCH its lightness is 30%, its chroma 0.079 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.030 away. White text reads best on it, at 13.54:1.
| Hue family | Greens |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.54:1 |
| White text | 13.54:1 |
Values
| HEX | #1F3401 |
| RGB | rgb(31, 52, 1) |
| HSL | hsl(85, 96%, 10%) |
| OKLCH | oklch(29.6% 0.079 130.2) |
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 #1F3401 | 13.54:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #1F3401 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #1F3401 text on white | 13.54:1 | AAA | Lc 99.9 | Preferred for body text |
| #1F3401 text on black | 1.54:1 | 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
#E4EEDB
oklch(93.6% 0.027 129.8)
-
Step 200
200
#CEE1BD
oklch(88.6% 0.052 130.2)
-
Step 300
300
#ADCD8D
oklch(80.9% 0.093 129.9)
-
Step 400
400
#81B246
oklch(70.6% 0.148 130)
-
Step 500
500
#659C00
oklch(63% 0.17 130.2)
-
Step 600
600
#548300
oklch(55.5% 0.15 130.2)
-
Step 700
700
#466E00
oklch(48.9% 0.132 130.2)
-
Step 800
800
#395B00
oklch(42.8% 0.116 130.2)
-
Step 900
900
#2F4B00
oklch(37.6% 0.101 129.8)
-
Step 950
950 (this color)
#1F3401
oklch(29.6% 0.079 130.2)
#1F3401 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) | #372F00 | 0.042 |
| Deuteranopia (no green cones) | #342E05 | 0.040 |
| Tritanopia (no blue cones) | #20312B | 0.062 |
| Achromatopsia (no color) | #2E2E2E | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F3401
#1F3401
oklch(29.6% 0.079 130.2)
- #39204A
#39204A
oklch(29.7% 0.078 309.9)
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 #1F3401, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.030
- Very Dark Green #062E03 ΔE 0.036
- Hunter Green #0B4008 ΔE 0.041
- Dark Forest Green #002D04 ΔE 0.043
- Dark Olive #373E02 ΔE 0.053
- Forrest Green #154406 ΔE 0.053
- Racing Green #014600 ΔE 0.062
- Pine Green #0A481E ΔE 0.065
Use #1F3401 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.