#40604C
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.05 156.4), rgb(64, 96, 76).
Aa
White text reads best on this color (7.01:1).
About this color
#40604C is a medium-dark, muted green. In OKLCH its lightness is 46%, its chroma 0.050 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.031 away. White text reads best on it, at 7.01:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #40604C |
| RGB | rgb(64, 96, 76) |
| HSL | hsl(143, 20%, 31%) |
| OKLCH | oklch(45.8% 0.05 156.4) |
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 #40604C | 7.01:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #40604C | 2.99:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #40604C text on white | 7.01:1 | AAA | Lc 84.2 | Fine for body text |
| #40604C text on black | 2.99:1 | Fails | Lc -17.7 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B2C7B9
oklch(81% 0.03 156.5)
-
Step 400
400
#8AAA95
oklch(70.8% 0.047 156.3)
-
Step 500
500
#6C957B
oklch(63.2% 0.06 156.4)
-
Step 600
600
#537F64
oklch(55.6% 0.064 156.7)
-
Step 700
700
#436B53
oklch(49.1% 0.06 157)
-
Step 800
800 (this color)
#40604C
oklch(45.8% 0.05 156.4)
-
Step 900
900
#304839
oklch(37.7% 0.039 156.5)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#40604C 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) | #605B4B | 0.047 |
| Deuteranopia (no green cones) | #5A584D | 0.043 |
| Tritanopia (no blue cones) | #3A5F5A | 0.024 |
| Achromatopsia (no color) | #595959 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40604C
#40604C
oklch(45.8% 0.05 156.4)
- #6A4D62
#6A4D62
oklch(45.9% 0.05 336.7)
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 #40604C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.031
- Pine #2B5D34 ΔE 0.046
- Dark Aqua #05696B ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
- Camo Green #526525 ΔE 0.060
- Petrol #005F6A ΔE 0.062
- Army Green #4B5D16 ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.063
Use #40604C 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.