#405E4C
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.046 157.6), rgb(64, 94, 76).
Aa
White text reads best on this color (7.18:1).
About this color
#405E4C is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.046 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 0.032 away. White text reads best on it, at 7.18:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #405E4C |
| RGB | rgb(64, 94, 76) |
| HSL | hsl(144, 19%, 31%) |
| OKLCH | oklch(45.3% 0.046 157.6) |
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 #405E4C | 7.18:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #405E4C | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #405E4C text on white | 7.18:1 | AAA | Lc 84.9 | Fine for body text |
| #405E4C text on black | 2.92:1 | Fails | Lc -17.1 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B3C6BA
oklch(80.9% 0.027 158.1)
-
Step 400
400
#8BA996
oklch(70.7% 0.043 157.3)
-
Step 500
500
#6E947D
oklch(63.1% 0.054 157.8)
-
Step 600
600
#557E66
oklch(55.6% 0.059 158.1)
-
Step 700
700
#456B54
oklch(49.2% 0.057 157)
-
Step 800
800 (this color)
#405E4C
oklch(45.3% 0.046 157.6)
-
Step 900
900
#31483A
oklch(37.8% 0.037 157.4)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#405E4C 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) | #5E594B | 0.044 |
| Deuteranopia (no green cones) | #58564D | 0.041 |
| Tritanopia (no blue cones) | #3A5E59 | 0.021 |
| Achromatopsia (no color) | #575757 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405E4C
#405E4C
oklch(45.3% 0.046 157.6)
- #674C5F
#674C5F
oklch(45.2% 0.046 337.5)
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 #405E4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Pine #2B5D34 ΔE 0.046
- Dark Aqua #05696B ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
- Spruce #0A5F38 ΔE 0.058
- Petrol #005F6A ΔE 0.060
- Camo Green #526525 ΔE 0.064
- Army Green #4B5D16 ΔE 0.065
Use #405E4C 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.