#356E69
Closest named color: Dark Aquamarine (#017371). oklch(49.8% 0.061 187.9), rgb(53, 110, 105).
Aa
White text reads best on this color (5.85:1).
About this color
#356E69 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.061 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.026 away. White text reads best on it, at 5.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #356E69 |
| RGB | rgb(53, 110, 105) |
| HSL | hsl(175, 35%, 32%) |
| OKLCH | oklch(49.8% 0.061 187.9) |
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 #356E69 | 5.85:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #356E69 | 3.58:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #356E69 text on white | 5.85:1 | AA | Lc 79.1 | Fine for body text |
| #356E69 text on black | 3.58:1 | AA large text | Lc -22.7 | 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
#ACC7C4
oklch(80.9% 0.029 188.4)
-
Step 400
400
#7FAAA6
oklch(70.6% 0.047 189)
-
Step 500
500
#5D9690
oklch(63.2% 0.061 187.3)
-
Step 600
600
#42807A
oklch(55.7% 0.065 187.3)
-
Step 700
700 (this color)
#356E69
oklch(49.8% 0.061 187.9)
-
Step 800
800
#2B5854
oklch(42.7% 0.05 187.9)
-
Step 900
900
#284845
oklch(37.6% 0.038 188)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#356E69 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) | #696969 | 0.065 |
| Deuteranopia (no green cones) | #5F626A | 0.060 |
| Tritanopia (no blue cones) | #15706C | 0.020 |
| Achromatopsia (no color) | #656565 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356E69
#356E69
oklch(49.8% 0.061 187.9)
- #81545C
#81545C
oklch(49.8% 0.061 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 #356E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.026
- Deep Turquoise #017374 ΔE 0.027
- Dark Aqua #05696B ΔE 0.033
- Bluegreen #017A79 ΔE 0.040
- Deep Aqua #08787F ΔE 0.040
- Slate #516572 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.047
- Teal #008080 ΔE 0.056
Use #356E69 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.