#364D43
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.8% 0.033 166.1), rgb(54, 77, 67).
Aa
White text reads best on this color (9.13:1).
About this color
#364D43 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.033 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.019 away. White text reads best on it, at 9.13:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.29:1 |
| White text | 9.13:1 |
Values
| HEX | #364D43 |
| RGB | rgb(54, 77, 67) |
| HSL | hsl(154, 18%, 26%) |
| OKLCH | oklch(39.8% 0.033 166.1) |
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 #364D43 | 9.13:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #364D43 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #364D43 text on white | 9.13:1 | AAA | Lc 91.0 | Preferred for body text |
| #364D43 text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BD
oklch(80.9% 0.025 166.9)
-
Step 400
400
#8AA99B
oklch(70.7% 0.04 166.1)
-
Step 500
500
#6C9482
oklch(63.2% 0.052 165.3)
-
Step 600
600
#537E6C
oklch(55.6% 0.056 166.3)
-
Step 700
700
#446A5A
oklch(49.1% 0.051 166.1)
-
Step 800
800
#38574A
oklch(42.8% 0.043 166.3)
-
Step 900
900 (this color)
#364D43
oklch(39.8% 0.033 166.1)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#364D43 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) | #4C4A43 | 0.033 |
| Deuteranopia (no green cones) | #484744 | 0.032 |
| Tritanopia (no blue cones) | #314D4A | 0.013 |
| Achromatopsia (no color) | #484848 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364D43
#364D43
oklch(39.8% 0.033 166.1)
- #55404B
#55404B
oklch(39.8% 0.034 346)
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 #364D43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.019
- Charcoal Grey #3C4142 ΔE 0.039
- Dark Blue Green #005249 ΔE 0.040
- Dark Teal #014D4E ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Deep Teal #00555A ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.055
- Onyx #343A40 ΔE 0.063
Use #364D43 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.