#334D3F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.5% 0.04 160.3), rgb(51, 77, 63).
Aa
White text reads best on this color (9.23:1).
About this color
#334D3F is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.040 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.025 away. White text reads best on it, at 9.23:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #334D3F |
| RGB | rgb(51, 77, 63) |
| HSL | hsl(148, 20%, 25%) |
| OKLCH | oklch(39.5% 0.04 160.3) |
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 #334D3F | 9.23:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #334D3F | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #334D3F text on white | 9.23:1 | AAA | Lc 91.3 | Preferred for body text |
| #334D3F text on black | 2.27:1 | Fails | Lc -11.1 | 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
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD5
oklch(88.5% 0.018 159.1)
-
Step 300
300
#B1C7BA
oklch(80.9% 0.03 159.8)
-
Step 400
400
#87AA97
oklch(70.6% 0.047 161.2)
-
Step 500
500
#69957D
oklch(63.1% 0.06 160.2)
-
Step 600
600
#4F8066
oklch(55.7% 0.067 160)
-
Step 700
700
#406C55
oklch(49.2% 0.062 160.2)
-
Step 800
800
#355845
oklch(42.8% 0.052 159.4)
-
Step 900
900 (this color)
#334D3F
oklch(39.5% 0.04 160.3)
-
Step 950
950
#1B2A22
oklch(26.9% 0.025 160.8)
#334D3F 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) | #4C493E | 0.038 |
| Deuteranopia (no green cones) | #484640 | 0.037 |
| Tritanopia (no blue cones) | #2E4D49 | 0.017 |
| Achromatopsia (no color) | #474747 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334D3F
#334D3F
oklch(39.5% 0.04 160.3)
- #553E4D
#553E4D
oklch(39.5% 0.04 339.9)
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 #334D3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Blue Green #005249 ΔE 0.037
- Dark Teal #014D4E ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.043
- Charcoal #264653 ΔE 0.049
- Deep Teal #00555A ΔE 0.050
- Evergreen #05472A ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.060
Use #334D3F 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.