#364E40
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40% 0.038 158.5), rgb(54, 78, 64).
Aa
White text reads best on this color (9.04:1).
About this color
#364E40 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.038 and its hue 159°. 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 9.04:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #364E40 |
| RGB | rgb(54, 78, 64) |
| HSL | hsl(145, 18%, 26%) |
| OKLCH | oklch(40% 0.038 158.5) |
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 #364E40 | 9.04:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #364E40 | 2.32:1 | Fails | Lc 13.2 | Not readable |
| #364E40 text on white | 9.04:1 | AAA | Lc 90.8 | Preferred for body text |
| #364E40 text on black | 2.32:1 | Fails | Lc -11.5 | 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
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B2C7BA
oklch(81% 0.029 158.5)
-
Step 400
400
#89AA96
oklch(70.8% 0.046 158.4)
-
Step 500
500
#6B957C
oklch(63.2% 0.06 158)
-
Step 600
600
#527F66
oklch(55.6% 0.063 159.1)
-
Step 700
700
#436B54
oklch(49.1% 0.059 158.1)
-
Step 800
800
#375745
oklch(42.6% 0.048 158.8)
-
Step 900
900 (this color)
#364E40
oklch(40% 0.038 158.5)
-
Step 950
950
#1C2A22
oklch(26.9% 0.024 159.2)
#364E40 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) | #4E4A3F | 0.037 |
| Deuteranopia (no green cones) | #494841 | 0.033 |
| Tritanopia (no blue cones) | #324E4A | 0.017 |
| Achromatopsia (no color) | #494949 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364E40
#364E40
oklch(40% 0.038 158.5)
- #56404F
#56404F
oklch(40.1% 0.038 338.4)
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 #364E40, 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 0.045
- Dark Teal #014D4E ΔE 0.046
- Deep Teal #00555A ΔE 0.050
- Charcoal #264653 ΔE 0.052
- Pine #2B5D34 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.062
Use #364E40 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.