#366C56
Closest named color: Dark Green Blue (#1F6357). oklch(48.7% 0.068 165.1), rgb(54, 108, 86).
Aa
White text reads best on this color (6.11:1).
About this color
#366C56 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.068 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 6.11:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #366C56 |
| RGB | rgb(54, 108, 86) |
| HSL | hsl(156, 33%, 32%) |
| OKLCH | oklch(48.7% 0.068 165.1) |
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 #366C56 | 6.11:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #366C56 | 3.43:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #366C56 text on white | 6.11:1 | AA | Lc 80.4 | Fine for body text |
| #366C56 text on black | 3.43:1 | AA large text | Lc -21.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BB
oklch(81% 0.033 164)
-
Step 400
400
#82AC98
oklch(70.8% 0.054 164.1)
-
Step 500
500
#61977F
oklch(63.1% 0.068 164.6)
-
Step 600
600
#468169
oklch(55.6% 0.073 165.6)
-
Step 700
700 (this color)
#366C56
oklch(48.7% 0.068 165.1)
-
Step 800
800
#2E5947
oklch(42.7% 0.057 164.8)
-
Step 900
900
#2A493C
oklch(37.7% 0.044 165.6)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#366C56 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) | #6A6555 | 0.068 |
| Deuteranopia (no green cones) | #625F57 | 0.066 |
| Tritanopia (no blue cones) | #256C66 | 0.027 |
| Achromatopsia (no color) | #626262 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366C56
#366C56
oklch(48.7% 0.068 165.1)
- #7C5068
#7C5068
oklch(48.8% 0.068 346)
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 #366C56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Aquamarine #017371 ΔE 0.043
- Dark Aqua #05696B ΔE 0.044
- Deep Turquoise #017374 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.060
- Camo Green #526525 ΔE 0.062
Use #366C56 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.