#405D4E
Closest named color: Dark Green Blue (#1F6357). oklch(45.1% 0.042 161.5), rgb(64, 93, 78).
Aa
White text reads best on this color (7.25:1).
About this color
#405D4E is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.042 and its hue 162°. 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 7.25:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #405D4E |
| RGB | rgb(64, 93, 78) |
| HSL | hsl(149, 18%, 31%) |
| OKLCH | oklch(45.1% 0.042 161.5) |
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 #405D4E | 7.25:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #405D4E | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #405D4E text on white | 7.25:1 | AAA | Lc 85.2 | Fine for body text |
| #405D4E text on black | 2.89:1 | Fails | Lc -16.8 | 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
#B3C6BC
oklch(80.9% 0.025 163)
-
Step 400
400
#8BA999
oklch(70.7% 0.04 161.9)
-
Step 500
500
#6E9380
oklch(63% 0.05 162.2)
-
Step 600
600
#567E69
oklch(55.7% 0.056 161)
-
Step 700
700
#466A58
oklch(49.1% 0.051 162.1)
-
Step 800
800 (this color)
#405D4E
oklch(45.1% 0.042 161.5)
-
Step 900
900
#32473C
oklch(37.7% 0.032 161.5)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#405D4E 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) | #5C594D | 0.041 |
| Deuteranopia (no green cones) | #57554F | 0.040 |
| Tritanopia (no blue cones) | #3A5D59 | 0.018 |
| Achromatopsia (no color) | #575757 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405D4E
#405D4E
oklch(45.1% 0.042 161.5)
- #664C5C
#664C5C
oklch(45% 0.042 341.5)
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 #405D4E, 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 0.050
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Aqua #05696B ΔE 0.056
- Petrol #005F6A ΔE 0.057
- Spruce #0A5F38 ΔE 0.061
- Deep Teal #00555A ΔE 0.062
- Slate #516572 ΔE 0.064
Use #405D4E 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.