#03603C
Closest named color: Spruce (#0A5F38). oklch(43.2% 0.098 159.1), rgb(3, 96, 60).
Aa
White text reads best on this color (7.65:1).
About this color
#03603C is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.098 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.006 away. White text reads best on it, at 7.65:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #03603C |
| RGB | rgb(3, 96, 60) |
| HSL | hsl(157, 94%, 19%) |
| OKLCH | oklch(43.2% 0.098 159.1) |
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 #03603C | 7.65:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #03603C | 2.74:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #03603C text on white | 7.65:1 | AAA | Lc 86.1 | Fine for body text |
| #03603C text on black | 2.74:1 | Fails | Lc -16.0 | Dividers and decoration only |
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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C8E0D2
oklch(88.5% 0.032 160.1)
-
Step 300
300
#A2CCB3
oklch(80.8% 0.057 158.7)
-
Step 400
400
#6CB28C
oklch(70.6% 0.091 159.2)
-
Step 500
500
#3D9F6F
oklch(63.2% 0.118 158.8)
-
Step 600
600
#028957
oklch(55.6% 0.127 159)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800 (this color)
#03603C
oklch(43.2% 0.098 159.1)
-
Step 900
900
#124E32
oklch(37.8% 0.077 158.5)
-
Step 950
950
#0D2E1E
oklch(27.1% 0.049 159.3)
#03603C 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) | #5F583A | 0.091 |
| Deuteranopia (no green cones) | #55503E | 0.089 |
| Tritanopia (no blue cones) | #005F57 | 0.044 |
| Achromatopsia (no color) | #535353 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03603C
#03603C
oklch(43.2% 0.098 159.1)
- #723962
#723962
oklch(43.2% 0.097 338.8)
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 #03603C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.006
- Pine #2B5D34 ΔE 0.022
- Dark Green Blue #1F6357 ΔE 0.046
- Deep Green #02590F ΔE 0.051
- Navy Green #35530A ΔE 0.057
- Dark Blue Green #005249 ΔE 0.058
- Forest #0B5509 ΔE 0.058
- Dark Green #006400 ΔE 0.061
Use #03603C 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.