#40594F
Closest named color: Dark Green Blue (#1F6357). oklch(44% 0.034 168.1), rgb(64, 89, 79).
Aa
White text reads best on this color (7.60:1).
About this color
#40594F is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.034 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.039 away. White text reads best on it, at 7.60:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.75:1 |
| White text | 7.60:1 |
Values
| HEX | #40594F |
| RGB | rgb(64, 89, 79) |
| HSL | hsl(156, 16%, 30%) |
| OKLCH | oklch(44% 0.034 168.1) |
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 #40594F | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #40594F | 2.75:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #40594F text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #40594F text on black | 2.75:1 | Fails | Lc -15.7 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DCD8
oklch(88.6% 0.012 170.2)
-
Step 300
300
#B5C5BE
oklch(80.9% 0.02 167.8)
-
Step 400
400
#8EA79D
oklch(70.6% 0.031 169.3)
-
Step 500
500
#729285
oklch(63.2% 0.041 168.3)
-
Step 600
600
#5A7C6E
oklch(55.6% 0.044 167.4)
-
Step 700
700
#49695C
oklch(49.2% 0.043 167.5)
-
Step 800
800 (this color)
#40594F
oklch(44% 0.034 168.1)
-
Step 900
900
#34463F
oklch(37.6% 0.026 169.1)
-
Step 950
950
#1E2925
oklch(26.9% 0.017 170.8)
#40594F 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) | #58564F | 0.035 |
| Deuteranopia (no green cones) | #535250 | 0.034 |
| Tritanopia (no blue cones) | #3A5956 | 0.013 |
| Achromatopsia (no color) | #545454 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40594F
#40594F
oklch(44% 0.034 168.1)
- #624B56
#624B56
oklch(44.1% 0.035 348.3)
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 #40594F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Deep Teal #00555A ΔE 0.055
- Petrol #005F6A ΔE 0.055
- Pine #2B5D34 ΔE 0.056
- Dark Blue Green #005249 ΔE 0.060
- Dark Aqua #05696B ΔE 0.061
- YInMn Blue #415A77 ΔE 0.066
Use #40594F 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.