#405F52
Closest named color: Dark Green Blue (#1F6357). oklch(45.7% 0.042 166.5), rgb(64, 95, 82).
Aa
White text reads best on this color (7.05:1).
About this color
#405F52 is a medium-dark, muted green. In OKLCH its lightness is 46%, its chroma 0.042 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 7.05:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #405F52 |
| RGB | rgb(64, 95, 82) |
| HSL | hsl(155, 19%, 31%) |
| OKLCH | oklch(45.7% 0.042 166.5) |
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 #405F52 | 7.05:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #405F52 | 2.97:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #405F52 text on white | 7.05:1 | AAA | Lc 84.4 | Fine for body text |
| #405F52 text on black | 2.97:1 | Fails | Lc -17.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BD
oklch(80.9% 0.025 166.9)
-
Step 400
400
#8AA99B
oklch(70.7% 0.04 166.1)
-
Step 500
500
#6C9483
oklch(63.2% 0.051 166.7)
-
Step 600
600
#537E6C
oklch(55.6% 0.056 166.3)
-
Step 700
700
#436A5A
oklch(49% 0.051 166.6)
-
Step 800
800 (this color)
#405F52
oklch(45.7% 0.042 166.5)
-
Step 900
900
#30473E
oklch(37.6% 0.033 168.3)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#405F52 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) | #5E5B51 | 0.043 |
| Deuteranopia (no green cones) | #585753 | 0.041 |
| Tritanopia (no blue cones) | #395F5B | 0.016 |
| Achromatopsia (no color) | #595959 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405F52
#405F52
oklch(45.7% 0.042 166.5)
- #694E5C
#694E5C
oklch(45.7% 0.042 346.4)
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 #405F52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Aqua #05696B ΔE 0.050
- Pine #2B5D34 ΔE 0.054
- Petrol #005F6A ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.058
- Slate #516572 ΔE 0.058
- Deep Teal #00555A ΔE 0.064
- Spruce #0A5F38 ΔE 0.064
Use #405F52 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.