#374E33
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.7% 0.053 140.8), rgb(55, 78, 51).
Aa
White text reads best on this color (9.13:1).
About this color
#374E33 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.044 away. White text reads best on it, at 9.13:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.30:1 |
| White text | 9.13:1 |
Values
| HEX | #374E33 |
| RGB | rgb(55, 78, 51) |
| HSL | hsl(111, 21%, 25%) |
| OKLCH | oklch(39.7% 0.053 140.8) |
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 #374E33 | 9.13:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #374E33 | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #374E33 text on white | 9.13:1 | AAA | Lc 91.0 | Preferred for body text |
| #374E33 text on black | 2.30:1 | Fails | Lc -11.4 | 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 900.
-
Step 50
50
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B3C7B0
oklch(80.8% 0.039 141.5)
-
Step 400
400
#8BAB86
oklch(70.7% 0.064 141.3)
-
Step 500
500
#6E9667
oklch(63.1% 0.082 140.8)
-
Step 600
600
#56804F
oklch(55.6% 0.087 140.9)
-
Step 700
700
#466C3F
oklch(49% 0.082 140.6)
-
Step 800
800
#3A5835
oklch(42.7% 0.067 140.9)
-
Step 900
900 (this color)
#374E33
oklch(39.7% 0.053 140.8)
-
Step 950
950
#1D2B1B
oklch(27.1% 0.035 141.5)
#374E33 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) | #504A31 | 0.039 |
| Deuteranopia (no green cones) | #4C4734 | 0.038 |
| Tritanopia (no blue cones) | #354C47 | 0.035 |
| Achromatopsia (no color) | #484848 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374E33
#374E33
oklch(39.7% 0.053 140.8)
- #543D58
#543D58
oklch(39.6% 0.053 321.4)
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 #374E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Green #005249 ΔE 0.047
- Pine #2B5D34 ΔE 0.049
- Navy Green #35530A ΔE 0.052
- Evergreen #05472A ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Teal #014D4E ΔE 0.058
- Green Brown #544E03 ΔE 0.058
Use #374E33 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.