#405A4C
Closest named color: Dark Green Blue (#1F6357). oklch(44.2% 0.039 160.7), rgb(64, 90, 76).
Aa
White text reads best on this color (7.54:1).
About this color
#405A4C is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.039 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 7.54:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #405A4C |
| RGB | rgb(64, 90, 76) |
| HSL | hsl(148, 17%, 30%) |
| OKLCH | oklch(44.2% 0.039 160.7) |
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 #405A4C | 7.54:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #405A4C | 2.78:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #405A4C text on white | 7.54:1 | AAA | Lc 86.2 | Fine for body text |
| #405A4C text on black | 2.78:1 | Fails | Lc -15.9 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B5C5BC
oklch(80.9% 0.021 161.3)
-
Step 400
400
#8EA899
oklch(70.7% 0.036 160)
-
Step 500
500
#719380
oklch(63.2% 0.047 160.2)
-
Step 600
600
#597D6A
oklch(55.7% 0.05 161.2)
-
Step 700
700
#496958
oklch(49.1% 0.046 160.9)
-
Step 800
800 (this color)
#405A4C
oklch(44.2% 0.039 160.7)
-
Step 900
900
#33473C
oklch(37.7% 0.031 160.4)
-
Step 950
950
#1E2923
oklch(26.8% 0.019 161)
#405A4C 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) | #59564B | 0.037 |
| Deuteranopia (no green cones) | #55534D | 0.037 |
| Tritanopia (no blue cones) | #3B5A56 | 0.017 |
| Achromatopsia (no color) | #545454 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405A4C
#405A4C
oklch(44.2% 0.039 160.7)
- #624B5A
#624B5A
oklch(44.2% 0.039 339.6)
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 #405A4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.045
- Pine #2B5D34 ΔE 0.050
- Deep Teal #00555A ΔE 0.058
- Petrol #005F6A ΔE 0.058
- Dark Blue Green #005249 ΔE 0.061
- Dark Aqua #05696B ΔE 0.061
- Spruce #0A5F38 ΔE 0.062
Use #405A4C 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.