#03581A
Closest named color: Deep Green (#02590F). oklch(40.1% 0.12 146.2), rgb(3, 88, 26).
Aa
White text reads best on this color (8.69:1).
About this color
#03581A is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.120 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.010 away. White text reads best on it, at 8.69:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #03581A |
| RGB | rgb(3, 88, 26) |
| HSL | hsl(136, 93%, 18%) |
| OKLCH | oklch(40.1% 0.12 146.2) |
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 #03581A | 8.69:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #03581A | 2.41:1 | Fails | Lc 14.7 | Not readable |
| #03581A text on white | 8.69:1 | AAA | Lc 89.3 | Fine for body text |
| #03581A text on black | 2.41:1 | Fails | Lc -13.0 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E3C6
oklch(88.6% 0.05 146)
-
Step 300
300
#9BD19E
oklch(81% 0.09 146.1)
-
Step 400
400
#5EB868
oklch(70.7% 0.144 146.2)
-
Step 500
500
#18A53B
oklch(63.1% 0.184 146.2)
-
Step 600
600
#008C2C
oklch(55.7% 0.169 146.1)
-
Step 700
700
#007524
oklch(49% 0.148 146.3)
-
Step 800
800
#00601C
oklch(42.6% 0.129 146.3)
-
Step 900
900 (this color)
#03581A
oklch(40.1% 0.12 146.2)
-
Step 950
950
#04300D
oklch(27.1% 0.076 146.5)
#03581A 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) | #594F12 | 0.091 |
| Deuteranopia (no green cones) | #514920 | 0.091 |
| Tritanopia (no blue cones) | #00564B | 0.072 |
| Achromatopsia (no color) | #4B4B4B | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03581A
#03581A
oklch(40.1% 0.12 146.2)
- #682C6A
#682C6A
oklch(40.2% 0.12 326.3)
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 #03581A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.010
- Forest #0B5509 ΔE 0.014
- Navy Green #35530A ΔE 0.035
- Spruce #0A5F38 ΔE 0.040
- Dark Green #006400 ΔE 0.046
- Pine #2B5D34 ΔE 0.046
- Bottle Green #044A05 ΔE 0.046
- Darkgreen #054907 ΔE 0.049
Use #03581A 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.