#1B3601
Closest named color: Hunter Green (#0B4008). oklch(29.9% 0.084 133.5), rgb(27, 54, 1).
Aa
White text reads best on this color (13.33:1).
About this color
#1B3601 is a dark, moderately saturated green. In OKLCH its lightness is 30%, its chroma 0.084 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.033 away. White text reads best on it, at 13.33:1.
| Hue family | Greens |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.57:1 |
| White text | 13.33:1 |
Values
| HEX | #1B3601 |
| RGB | rgb(27, 54, 1) |
| HSL | hsl(91, 96%, 11%) |
| OKLCH | oklch(29.9% 0.084 133.5) |
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 #1B3601 | 13.33:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #1B3601 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #1B3601 text on white | 13.33:1 | AAA | Lc 99.5 | Preferred for body text |
| #1B3601 text on black | 1.57:1 | 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
#F2F8EF
oklch(97.2% 0.013 134.9)
-
Step 100
100
#E2EEDB
oklch(93.5% 0.028 133.7)
-
Step 200
200
#CBE2BD
oklch(88.6% 0.055 133.6)
-
Step 300
300
#A7CF8D
oklch(80.9% 0.099 133.6)
-
Step 400
400
#76B544
oklch(70.7% 0.159 133.6)
-
Step 500
500
#599F00
oklch(63.1% 0.18 133.6)
-
Step 600
600
#4A8600
oklch(55.7% 0.159 133.6)
-
Step 700
700
#3D7000
oklch(49% 0.14 133.6)
-
Step 800
800
#315C00
oklch(42.6% 0.122 133.6)
-
Step 900
900
#284D00
oklch(37.7% 0.108 133.7)
-
Step 950
950 (this color)
#1B3601
oklch(29.9% 0.084 133.5)
#1B3601 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) | #393100 | 0.049 |
| Deuteranopia (no green cones) | #352F06 | 0.047 |
| Tritanopia (no blue cones) | #1B332C | 0.062 |
| Achromatopsia (no color) | #2F2F2F | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B3601
#1B3601
oklch(29.9% 0.084 133.5)
- #3C1E4B
#3C1E4B
oklch(29.8% 0.085 313.2)
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 #1B3601, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.033
- Pakistan Green #283618 ΔE 0.034
- Very Dark Green #062E03 ΔE 0.038
- Dark Forest Green #002D04 ΔE 0.044
- Forrest Green #154406 ΔE 0.047
- Dark Olive #373E02 ΔE 0.052
- Racing Green #014600 ΔE 0.055
- British Racing Green #05480D ΔE 0.059
Use #1B3601 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.