#374F39
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.1% 0.047 146.7), rgb(55, 79, 57).
Aa
White text reads best on this color (8.97:1).
About this color
#374F39 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.047 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.036 away. White text reads best on it, at 8.97:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.33:1 |
| White text | 8.97:1 |
Values
| HEX | #374F39 |
| RGB | rgb(55, 79, 57) |
| HSL | hsl(125, 18%, 26%) |
| OKLCH | oklch(40.1% 0.047 146.7) |
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 #374F39 | 8.97:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #374F39 | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #374F39 text on white | 8.97:1 | AAA | Lc 90.6 | Preferred for body text |
| #374F39 text on black | 2.33:1 | Fails | Lc -11.7 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D1DDD2
oklch(88.5% 0.02 147.8)
-
Step 300
300
#B2C7B4
oklch(80.8% 0.035 148)
-
Step 400
400
#8AAB8C
oklch(70.8% 0.057 146.5)
-
Step 500
500
#6C9670
oklch(63.2% 0.073 147.1)
-
Step 600
600
#548058
oklch(55.6% 0.078 146.6)
-
Step 700
700
#446C48
oklch(49.1% 0.073 146.8)
-
Step 800
800
#38583B
oklch(42.7% 0.061 146.7)
-
Step 900
900 (this color)
#374F39
oklch(40.1% 0.047 146.7)
-
Step 950
950
#1D2A1E
oklch(26.9% 0.028 146.7)
#374F39 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) | #504B38 | 0.039 |
| Deuteranopia (no green cones) | #4C483A | 0.038 |
| Tritanopia (no blue cones) | #344E49 | 0.027 |
| Achromatopsia (no color) | #494949 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374F39
#374F39
oklch(40.1% 0.047 146.7)
- #563F55
#563F55
oklch(40.1% 0.047 327.8)
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 #374F39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Blue Green #005249 ΔE 0.043
- Pine #2B5D34 ΔE 0.050
- Dark Teal #014D4E ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.054
- Deep Teal #00555A ΔE 0.058
- Navy Green #35530A ΔE 0.059
- Spruce #0A5F38 ΔE 0.060
Use #374F39 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.