#365A56
Closest named color: Dark Green Blue (#1F6357). oklch(43.9% 0.042 186.8), rgb(54, 90, 86).
Aa
White text reads best on this color (7.62:1).
About this color
#365A56 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.042 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.033 away. White text reads best on it, at 7.62:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #365A56 |
| RGB | rgb(54, 90, 86) |
| HSL | hsl(173, 25%, 28%) |
| OKLCH | oklch(43.9% 0.042 186.8) |
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 #365A56 | 7.62:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #365A56 | 2.75:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #365A56 text on white | 7.62:1 | AAA | Lc 86.4 | Fine for body text |
| #365A56 text on black | 2.75:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCDA
oklch(88.5% 0.013 185.1)
-
Step 300
300
#B0C6C3
oklch(80.9% 0.024 186.8)
-
Step 400
400
#85A9A4
oklch(70.7% 0.04 185.9)
-
Step 500
500
#66948E
oklch(63.2% 0.051 185.8)
-
Step 600
600
#4C7E78
oklch(55.6% 0.055 186)
-
Step 700
700
#3D6A65
oklch(49% 0.051 186.6)
-
Step 800
800 (this color)
#365A56
oklch(43.9% 0.042 186.8)
-
Step 900
900
#2D4744
oklch(37.6% 0.032 186.8)
-
Step 950
950
#1B2A28
oklch(27.1% 0.021 185.7)
#365A56 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) | #565656 | 0.044 |
| Deuteranopia (no green cones) | #505256 | 0.041 |
| Tritanopia (no blue cones) | #295C59 | 0.013 |
| Achromatopsia (no color) | #545454 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #365A56
#365A56
oklch(43.9% 0.042 186.8)
- #67494E
#67494E
oklch(44% 0.042 7.9)
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 #365A56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.037
- Petrol #005F6A ΔE 0.041
- Deep Teal #00555A ΔE 0.043
- Dark Aqua #05696B ΔE 0.051
- Dark Blue Green #005249 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.059
- Pine #2B5D34 ΔE 0.060
Use #365A56 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.