#405B4B
Closest named color: Dark Green Blue (#1F6357). oklch(44.4% 0.042 158.2), rgb(64, 91, 75).
Aa
White text reads best on this color (7.45:1).
About this color
#405B4B is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.042 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.036 away. White text reads best on it, at 7.45:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #405B4B |
| RGB | rgb(64, 91, 75) |
| HSL | hsl(144, 17%, 30%) |
| OKLCH | oklch(44.4% 0.042 158.2) |
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 #405B4B | 7.45:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #405B4B | 2.81:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #405B4B text on white | 7.45:1 | AAA | Lc 85.9 | Fine for body text |
| #405B4B text on black | 2.81:1 | Fails | Lc -16.2 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B4C6BB
oklch(81% 0.025 159)
-
Step 400
400
#8DA897
oklch(70.6% 0.039 157.6)
-
Step 500
500
#70937E
oklch(63.1% 0.05 158.3)
-
Step 600
600
#587D67
oklch(55.5% 0.054 158)
-
Step 700
700
#486A56
oklch(49.2% 0.051 158.1)
-
Step 800
800 (this color)
#405B4B
oklch(44.4% 0.042 158.2)
-
Step 900
900
#33473B
oklch(37.7% 0.032 158.1)
-
Step 950
950
#1E2A23
oklch(27.1% 0.021 159)
#405B4B 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) | #5B574A | 0.040 |
| Deuteranopia (no green cones) | #56544C | 0.038 |
| Tritanopia (no blue cones) | #3B5B56 | 0.018 |
| Achromatopsia (no color) | #555555 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405B4B
#405B4B
oklch(44.4% 0.042 158.2)
- #634B5C
#634B5C
oklch(44.4% 0.041 337.2)
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 #405B4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.036
- Pine #2B5D34 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.049
- Petrol #005F6A ΔE 0.059
- Spruce #0A5F38 ΔE 0.059
- Deep Teal #00555A ΔE 0.060
- Dark Aqua #05696B ΔE 0.061
- Dark Blue Green #005249 ΔE 0.063
Use #405B4B 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.