#1F3701
Closest named color: Pakistan Green (#283618). oklch(30.5% 0.083 131.5), rgb(31, 55, 1).
Aa
White text reads best on this color (13.08:1).
About this color
#1F3701 is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.083 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.031 away. White text reads best on it, at 13.08:1.
| Hue family | Greens |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.60:1 |
| White text | 13.08:1 |
Values
| HEX | #1F3701 |
| RGB | rgb(31, 55, 1) |
| HSL | hsl(87, 96%, 11%) |
| OKLCH | oklch(30.5% 0.083 131.5) |
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 #1F3701 | 13.08:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #1F3701 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #1F3701 text on white | 13.08:1 | AAA | Lc 99.2 | Preferred for body text |
| #1F3701 text on black | 1.60:1 | 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
#F2F7EE
oklch(97% 0.013 130.8)
-
Step 100
100
#E3EEDB
oklch(93.6% 0.028 131.8)
-
Step 200
200
#CCE1BC
oklch(88.4% 0.054 131.7)
-
Step 300
300
#AACE8B
oklch(80.9% 0.098 131.3)
-
Step 400
400
#7CB441
oklch(70.7% 0.157 131.5)
-
Step 500
500
#619D00
oklch(63% 0.173 131.4)
-
Step 600
600
#518400
oklch(55.5% 0.153 131.4)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#365B00
oklch(42.7% 0.117 131.5)
-
Step 900
900
#2C4C00
oklch(37.7% 0.104 131.6)
-
Step 950
950 (this color)
#1F3701
oklch(30.5% 0.083 131.5)
#1F3701 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) | #3A3200 | 0.045 |
| Deuteranopia (no green cones) | #373006 | 0.046 |
| Tritanopia (no blue cones) | #20342D | 0.063 |
| Achromatopsia (no color) | #313131 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F3701
#1F3701
oklch(30.5% 0.083 131.5)
- #3D214D
#3D214D
oklch(30.6% 0.082 311.9)
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 #1F3701, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.031
- Hunter Green #0B4008 ΔE 0.031
- Forrest Green #154406 ΔE 0.043
- Very Dark Green #062E03 ΔE 0.044
- Dark Olive #373E02 ΔE 0.045
- Dark Forest Green #002D04 ΔE 0.051
- Racing Green #014600 ΔE 0.053
- Pine Green #0A481E ΔE 0.056
Use #1F3701 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.