#356C68
Closest named color: Dark Aquamarine (#017371). oklch(49.3% 0.059 189.2), rgb(53, 108, 104).
Aa
White text reads best on this color (6.00:1).
About this color
#356C68 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.059 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.029 away. White text reads best on it, at 6.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #356C68 |
| RGB | rgb(53, 108, 104) |
| HSL | hsl(176, 34%, 32%) |
| OKLCH | oklch(49.3% 0.059 189.2) |
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 #356C68 | 6.00:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #356C68 | 3.49:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #356C68 text on white | 6.00:1 | AA | Lc 79.9 | Fine for body text |
| #356C68 text on black | 3.49:1 | AA large text | Lc -21.9 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C4
oklch(80.9% 0.028 188.2)
-
Step 400
400
#80AAA6
oklch(70.6% 0.046 188.9)
-
Step 500
500
#5F9591
oklch(63.1% 0.058 189.9)
-
Step 600
600
#437F7B
oklch(55.5% 0.063 189.9)
-
Step 700
700 (this color)
#356C68
oklch(49.3% 0.059 189.2)
-
Step 800
800
#2C5854
oklch(42.8% 0.049 187.8)
-
Step 900
900
#284846
oklch(37.6% 0.038 190.5)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#356C68 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) | #676768 | 0.063 |
| Deuteranopia (no green cones) | #5D6069 | 0.059 |
| Tritanopia (no blue cones) | #176E6B | 0.019 |
| Achromatopsia (no color) | #636363 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356C68
#356C68
oklch(49.3% 0.059 189.2)
- #7F535A
#7F535A
oklch(49.3% 0.06 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 #356C68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.029
- Dark Aqua #05696B ΔE 0.030
- Deep Turquoise #017374 ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.042
- Deep Aqua #08787F ΔE 0.044
- Slate #516572 ΔE 0.044
- Bluegreen #017A79 ΔE 0.045
- Petrol #005F6A ΔE 0.056
Use #356C68 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.