#03531B
Closest named color: Forest (#0B5509). oklch(38.6% 0.113 147.1), rgb(3, 83, 27).
Aa
White text reads best on this color (9.30:1).
About this color
#03531B is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.113 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.017 away. White text reads best on it, at 9.30:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #03531B |
| RGB | rgb(3, 83, 27) |
| HSL | hsl(138, 93%, 17%) |
| OKLCH | oklch(38.6% 0.113 147.1) |
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 #03531B | 9.30:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #03531B | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #03531B text on white | 9.30:1 | AAA | Lc 90.9 | Preferred for body text |
| #03531B text on black | 2.25:1 | Fails | Lc -11.4 | 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
#E0EFE1
oklch(93.7% 0.024 147.3)
-
Step 200
200
#C6E2C8
oklch(88.5% 0.046 147.2)
-
Step 300
300
#9DD0A1
oklch(80.9% 0.084 146.8)
-
Step 400
400
#61B76D
oklch(70.7% 0.136 147)
-
Step 500
500
#25A444
oklch(63.1% 0.173 147)
-
Step 600
600
#008B31
oklch(55.5% 0.165 147.1)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#00601F
oklch(42.6% 0.127 147)
-
Step 900
900 (this color)
#03531B
oklch(38.6% 0.113 147.1)
-
Step 950
950
#072F10
oklch(26.9% 0.07 147.3)
#03531B 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) | #544A15 | 0.087 |
| Deuteranopia (no green cones) | #4C4520 | 0.086 |
| Tritanopia (no blue cones) | #005147 | 0.067 |
| Achromatopsia (no color) | #474747 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03531B
#03531B
oklch(38.6% 0.113 147.1)
- #622A63
#622A63
oklch(38.6% 0.113 326.8)
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 #03531B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.017
- Deep Green #02590F ΔE 0.025
- Bottle Green #044A05 ΔE 0.032
- Darkgreen #054907 ΔE 0.034
- British Racing Green #05480D ΔE 0.037
- Navy Green #35530A ΔE 0.037
- Pine Green #0A481E ΔE 0.038
- Racing Green #014600 ΔE 0.045
Use #03531B 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.