#406E52
Closest named color: Dark Olive Green (#556B2F). oklch(49.7% 0.068 156.2), rgb(64, 110, 82).
Aa
White text reads best on this color (5.88:1).
About this color
#406E52 is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.068 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.046 away. White text reads best on it, at 5.88:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.57:1 |
| White text | 5.88:1 |
Values
| HEX | #406E52 |
| RGB | rgb(64, 110, 82) |
| HSL | hsl(143, 26%, 34%) |
| OKLCH | oklch(49.7% 0.068 156.2) |
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 #406E52 | 5.88:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #406E52 | 3.57:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #406E52 text on white | 5.88:1 | AA | Lc 79.3 | Fine for body text |
| #406E52 text on black | 3.57:1 | AA large text | Lc -22.5 | 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 700.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B0C7B8
oklch(80.8% 0.033 157)
-
Step 400
400
#86AB93
oklch(70.7% 0.053 156.3)
-
Step 500
500
#679679
oklch(63.1% 0.067 156.8)
-
Step 600
600
#4E8061
oklch(55.5% 0.073 155.9)
-
Step 700
700 (this color)
#406E52
oklch(49.7% 0.068 156.2)
-
Step 800
800
#345842
oklch(42.6% 0.056 156.3)
-
Step 900
900
#2E4938
oklch(37.8% 0.044 156)
-
Step 950
950
#1B2B21
oklch(27.1% 0.028 156.5)
#406E52 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) | #6E6750 | 0.063 |
| Deuteranopia (no green cones) | #666254 | 0.061 |
| Tritanopia (no blue cones) | #366D66 | 0.033 |
| Achromatopsia (no color) | #646464 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406E52
#406E52
oklch(49.7% 0.068 156.2)
- #7B5371
#7B5371
oklch(49.6% 0.068 336)
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 #406E52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.046
- Dark Moss Green #606C38 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.051
- Camo Green #526525 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.055
- Dark Aqua #05696B ΔE 0.058
- Bluegreen #017A79 ΔE 0.061
Use #406E52 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.