#356A65
Closest named color: Dark Aqua (#05696B). oklch(48.6% 0.057 187.5), rgb(53, 106, 101).
Aa
White text reads best on this color (6.17:1).
About this color
#356A65 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.057 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.028 away. White text reads best on it, at 6.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.40:1 |
| White text | 6.17:1 |
Values
| HEX | #356A65 |
| RGB | rgb(53, 106, 101) |
| HSL | hsl(174, 33%, 31%) |
| OKLCH | oklch(48.6% 0.057 187.5) |
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 #356A65 | 6.17:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #356A65 | 3.40:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #356A65 text on white | 6.17:1 | AA | Lc 80.7 | Fine for body text |
| #356A65 text on black | 3.40:1 | AA large text | Lc -21.2 | 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
#81AAA5
oklch(70.7% 0.045 186.9)
-
Step 500
500
#60958F
oklch(63.1% 0.057 186.8)
-
Step 600
600
#457F7A
oklch(55.5% 0.062 188.4)
-
Step 700
700 (this color)
#356A65
oklch(48.6% 0.057 187.5)
-
Step 800
800
#2E5853
oklch(42.8% 0.048 185.7)
-
Step 900
900
#294845
oklch(37.7% 0.037 187.9)
-
Step 950
950
#192A28
oklch(26.9% 0.023 186.7)
#356A65 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) | #656565 | 0.061 |
| Deuteranopia (no green cones) | #5C5E66 | 0.058 |
| Tritanopia (no blue cones) | #1A6C68 | 0.018 |
| Achromatopsia (no color) | #616161 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356A65
#356A65
oklch(48.6% 0.057 187.5)
- #7C5259
#7C5259
oklch(48.7% 0.057 8.5)
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 #356A65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.036
- Slate #516572 ΔE 0.045
- Deep Aqua #08787F ΔE 0.050
- Bluegreen #017A79 ΔE 0.050
- Petrol #005F6A ΔE 0.052
Use #356A65 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.