#375445
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.8% 0.043 161.2), rgb(55, 84, 69).
Aa
White text reads best on this color (8.34:1).
About this color
#375445 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.043 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.029 away. White text reads best on it, at 8.34:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #375445 |
| RGB | rgb(55, 84, 69) |
| HSL | hsl(149, 21%, 27%) |
| OKLCH | oklch(41.8% 0.043 161.2) |
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 #375445 | 8.34:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #375445 | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #375445 text on white | 8.34:1 | AAA | Lc 88.7 | Fine for body text |
| #375445 text on black | 2.51:1 | Fails | Lc -13.4 | Not readable |
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
#B3C6BB
oklch(80.9% 0.026 160.4)
-
Step 400
400
#8BA999
oklch(70.7% 0.04 161.9)
-
Step 500
500
#6E9480
oklch(63.2% 0.052 161.5)
-
Step 600
600
#557E69
oklch(55.6% 0.056 161.5)
-
Step 700
700
#456A57
oklch(49% 0.052 161.3)
-
Step 800
800 (this color)
#375445
oklch(41.8% 0.043 161.2)
-
Step 900
900
#32473C
oklch(37.7% 0.032 161.5)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#375445 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) | #535044 | 0.041 |
| Deuteranopia (no green cones) | #4E4C46 | 0.041 |
| Tritanopia (no blue cones) | #315450 | 0.018 |
| Achromatopsia (no color) | #4E4E4E | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375445
#375445
oklch(41.8% 0.043 161.2)
- #5D4353
#5D4353
oklch(41.7% 0.043 341.7)
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 #375445, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Blue Green #005249 ΔE 0.042
- Deep Teal #00555A ΔE 0.047
- Pine #2B5D34 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.048
- Dark Teal #014D4E ΔE 0.053
- Spruce #0A5F38 ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.061
Use #375445 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.