#356668
Closest named color: Dark Aqua (#05696B). oklch(47.7% 0.053 199), rgb(53, 102, 104).
Aa
White text reads best on this color (6.45:1).
About this color
#356668 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.053 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.026 away. White text reads best on it, at 6.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #356668 |
| RGB | rgb(53, 102, 104) |
| HSL | hsl(182, 32%, 31%) |
| OKLCH | oklch(47.7% 0.053 199) |
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 #356668 | 6.45:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #356668 | 3.25:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #356668 text on white | 6.45:1 | AA | Lc 81.9 | Fine for body text |
| #356668 text on black | 3.25:1 | AA large text | Lc -20.0 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AEC6C7
oklch(80.9% 0.026 199.7)
-
Step 400
400
#83A9AA
oklch(70.7% 0.041 198.3)
-
Step 500
500
#639495
oklch(63.2% 0.053 197.5)
-
Step 600
600
#487E80
oklch(55.7% 0.058 198.7)
-
Step 700
700 (this color)
#356668
oklch(47.7% 0.053 199)
-
Step 800
800
#305658
oklch(42.6% 0.043 200)
-
Step 900
900
#2B4748
oklch(37.6% 0.034 198.7)
-
Step 950
950
#1A2A2A
oklch(27.1% 0.021 196)
#356668 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) | #606268 | 0.055 |
| Deuteranopia (no green cones) | #575C68 | 0.050 |
| Tritanopia (no blue cones) | #196966 | 0.022 |
| Achromatopsia (no color) | #5E5E5E | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356668
#356668
oklch(47.7% 0.053 199)
- #785151
#785151
oklch(47.8% 0.053 19.2)
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 #356668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.026
- Dark Green Blue #1F6357 ΔE 0.036
- Slate #516572 ΔE 0.039
- Petrol #005F6A ΔE 0.041
- Deep Turquoise #017374 ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.052
- Deep Aqua #08787F ΔE 0.057
Use #356668 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.