#354D40
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.6% 0.037 160.4), rgb(53, 77, 64).
Aa
White text reads best on this color (9.18:1).
About this color
#354D40 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.037 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 0.024 away. White text reads best on it, at 9.18:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #354D40 |
| RGB | rgb(53, 77, 64) |
| HSL | hsl(148, 18%, 25%) |
| OKLCH | oklch(39.6% 0.037 160.4) |
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 #354D40 | 9.18:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #354D40 | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #354D40 text on white | 9.18:1 | AAA | Lc 91.1 | Preferred for body text |
| #354D40 text on black | 2.28:1 | Fails | Lc -11.2 | 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
#D1DCD6
oklch(88.4% 0.014 162.4)
-
Step 300
300
#B2C6BB
oklch(80.8% 0.027 161.8)
-
Step 400
400
#89AA97
oklch(70.8% 0.046 159.7)
-
Step 500
500
#6B947E
oklch(63% 0.056 160.8)
-
Step 600
600
#527F67
oklch(55.7% 0.062 160.2)
-
Step 700
700
#436B56
oklch(49.1% 0.057 160.4)
-
Step 800
800
#375746
oklch(42.6% 0.047 160.3)
-
Step 900
900 (this color)
#354D40
oklch(39.6% 0.037 160.4)
-
Step 950
950
#1C2A23
oklch(27% 0.023 162.6)
#354D40 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) | #4C493F | 0.035 |
| Deuteranopia (no green cones) | #484741 | 0.033 |
| Tritanopia (no blue cones) | #304D49 | 0.015 |
| Achromatopsia (no color) | #484848 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354D40
#354D40
oklch(39.6% 0.037 160.4)
- #553F4D
#553F4D
oklch(39.7% 0.038 340.5)
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 #354D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.024
- Dark Blue Green #005249 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.041
- Dark Teal #014D4E ΔE 0.044
- Charcoal #264653 ΔE 0.049
- Deep Teal #00555A ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.059
- Evergreen #05472A ΔE 0.062
Use #354D40 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.