#356D5E
Closest named color: Dark Aquamarine (#017371). oklch(49.2% 0.065 173.9), rgb(53, 109, 94).
Aa
White text reads best on this color (5.99:1).
About this color
#356D5E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.065 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.034 away. White text reads best on it, at 5.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #356D5E |
| RGB | rgb(53, 109, 94) |
| HSL | hsl(164, 35%, 32%) |
| OKLCH | oklch(49.2% 0.065 173.9) |
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 #356D5E | 5.99:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #356D5E | 3.50:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #356D5E text on white | 5.99:1 | AA | Lc 79.8 | Fine for body text |
| #356D5E text on black | 3.50:1 | AA large text | Lc -22.0 | 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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ADC8BF
oklch(81% 0.032 173.4)
-
Step 400
400
#80AB9E
oklch(70.6% 0.05 174.2)
-
Step 500
500
#5F9686
oklch(63% 0.063 173.8)
-
Step 600
600
#448170
oklch(55.7% 0.069 173.5)
-
Step 700
700 (this color)
#356D5E
oklch(49.2% 0.065 173.9)
-
Step 800
800
#2D594D
oklch(42.8% 0.053 173.9)
-
Step 900
900
#294940
oklch(37.8% 0.041 174.1)
-
Step 950
950
#182B25
oklch(27% 0.027 172.2)
#356D5E 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) | #6A675D | 0.067 |
| Deuteranopia (no green cones) | #61605F | 0.065 |
| Tritanopia (no blue cones) | #1E6E69 | 0.021 |
| Achromatopsia (no color) | #636363 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356D5E
#356D5E
oklch(49.2% 0.065 173.9)
- #7E5163
#7E5163
oklch(49.1% 0.065 354.1)
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 #356D5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.037
- Dark Aqua #05696B ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.039
- Bluegreen #017A79 ΔE 0.049
- Deep Aqua #08787F ΔE 0.053
- Slate #516572 ΔE 0.058
- Petrol #005F6A ΔE 0.064
Use #356D5E 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.