#40583B
Closest named color: Pine (#2B5D34). oklch(43.2% 0.055 140.2), rgb(64, 88, 59).
Aa
White text reads best on this color (7.84:1).
About this color
#40583B is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.055 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.032 away. White text reads best on it, at 7.84:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #40583B |
| RGB | rgb(64, 88, 59) |
| HSL | hsl(110, 20%, 29%) |
| OKLCH | oklch(43.2% 0.055 140.2) |
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 #40583B | 7.84:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #40583B | 2.67:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #40583B text on white | 7.84:1 | AAA | Lc 87.2 | Fine for body text |
| #40583B text on black | 2.67:1 | Fails | Lc -14.9 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D3DCD1
oklch(88.5% 0.018 140)
-
Step 300
300
#B6C6B3
oklch(80.9% 0.032 140.7)
-
Step 400
400
#90A98B
oklch(70.7% 0.051 140.4)
-
Step 500
500
#74946E
oklch(63.2% 0.066 140.6)
-
Step 600
600
#5D7E56
oklch(55.7% 0.071 140.1)
-
Step 700
700
#4C6A46
oklch(49.1% 0.066 140.4)
-
Step 800
800 (this color)
#40583B
oklch(43.2% 0.055 140.2)
-
Step 900
900
#354732
oklch(37.6% 0.042 141)
-
Step 950
950
#1F2A1D
oklch(27% 0.028 140.7)
#40583B 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) | #5A5339 | 0.040 |
| Deuteranopia (no green cones) | #56513D | 0.039 |
| Tritanopia (no blue cones) | #3F5650 | 0.036 |
| Achromatopsia (no color) | #525252 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40583B
#40583B
oklch(43.2% 0.055 140.2)
- #5E4663
#5E4663
oklch(43.1% 0.056 320.5)
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 #40583B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.032
- Spruce #0A5F38 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.049
- Army Green #4B5D16 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.054
- Green Brown #544E03 ΔE 0.055
- Navy Green #35530A ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.060
Use #40583B 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.