#1F5837
Closest named color: Pine (#2B5D34). oklch(41.3% 0.082 154.9), rgb(31, 88, 55).
Aa
White text reads best on this color (8.36:1).
About this color
#1F5837 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.022 away. White text reads best on it, at 8.36:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #1F5837 |
| RGB | rgb(31, 88, 55) |
| HSL | hsl(145, 48%, 23%) |
| OKLCH | oklch(41.3% 0.082 154.9) |
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 #1F5837 | 8.36:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #1F5837 | 2.50:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #1F5837 text on white | 8.36:1 | AAA | Lc 88.6 | Fine for body text |
| #1F5837 text on black | 2.50:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB3
oklch(80.8% 0.048 154.8)
-
Step 400
400
#7AAF8C
oklch(70.7% 0.076 155.1)
-
Step 500
500
#559B6F
oklch(63.1% 0.098 154.8)
-
Step 600
600
#378557
oklch(55.5% 0.106 154.9)
-
Step 700
700
#287147
oklch(49.1% 0.099 154.8)
-
Step 800
800 (this color)
#1F5837
oklch(41.3% 0.082 154.9)
-
Step 900
900
#234B32
oklch(37.6% 0.063 154.5)
-
Step 950
950
#152C1E
oklch(26.9% 0.039 155.9)
#1F5837 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) | #585135 | 0.073 |
| Deuteranopia (no green cones) | #504B39 | 0.072 |
| Tritanopia (no blue cones) | #09574F | 0.040 |
| Achromatopsia (no color) | #4E4E4E | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5837
#1F5837
oklch(41.3% 0.082 154.9)
- #66395D
#66395D
oklch(41.3% 0.082 334.7)
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 #1F5837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.022
- Spruce #0A5F38 ΔE 0.024
- Dark Blue Green #005249 ΔE 0.042
- Navy Green #35530A ΔE 0.045
- Deep Green #02590F ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.053
- Forest #0B5509 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.059
Use #1F5837 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.