#356C6E
Closest named color: Deep Turquoise (#017374). oklch(49.5% 0.058 198.6), rgb(53, 108, 110).
Aa
White text reads best on this color (5.96:1).
About this color
#356C6E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.058 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.029 away. White text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #356C6E |
| RGB | rgb(53, 108, 110) |
| HSL | hsl(182, 35%, 32%) |
| OKLCH | oklch(49.5% 0.058 198.6) |
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 #356C6E | 5.96:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #356C6E | 3.52:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #356C6E text on white | 5.96:1 | AA | Lc 79.7 | Fine for body text |
| #356C6E text on black | 3.52:1 | AA large text | Lc -22.1 | 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
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ACC7C7
oklch(81% 0.029 196.6)
-
Step 400
400
#80AAAB
oklch(70.8% 0.045 198)
-
Step 500
500
#5E9496
oklch(63% 0.057 198.8)
-
Step 600
600
#437F81
oklch(55.7% 0.063 198.3)
-
Step 700
700 (this color)
#356C6E
oklch(49.5% 0.058 198.6)
-
Step 800
800
#2C5759
oklch(42.7% 0.048 199.5)
-
Step 900
900
#284849
oklch(37.7% 0.038 198.2)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#356C6E 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) | #65686E | 0.059 |
| Deuteranopia (no green cones) | #5C606E | 0.057 |
| Tritanopia (no blue cones) | #106F6C | 0.024 |
| Achromatopsia (no color) | #636363 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356C6E
#356C6E
oklch(49.5% 0.058 198.6)
- #805455
#805455
oklch(49.5% 0.059 17.9)
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 #356C6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.029
- Dark Aquamarine #017371 ΔE 0.030
- Dark Aqua #05696B ΔE 0.030
- Slate #516572 ΔE 0.039
- Deep Aqua #08787F ΔE 0.040
- Bluegreen #017A79 ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.048
- Petrol #005F6A ΔE 0.055
Use #356C6E 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.