#357666
Closest named color: Bluegreen (#017A79). oklch(51.8% 0.072 175), rgb(53, 118, 102).
Aa
White text reads best on this color (5.33:1).
About this color
#357666 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.072 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.032 away. White text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #357666 |
| RGB | rgb(53, 118, 102) |
| HSL | hsl(165, 38%, 34%) |
| OKLCH | oklch(51.8% 0.072 175) |
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 #357666 | 5.33:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #357666 | 3.93:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #357666 text on white | 5.33:1 | AA | Lc 76.4 | Fine for body text |
| #357666 text on black | 3.93:1 | AA large text | Lc -25.4 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#AAC8BF
oklch(80.8% 0.035 175.4)
-
Step 400
400
#7CAC9E
oklch(70.6% 0.055 174.7)
-
Step 500
500
#589887
oklch(63.2% 0.071 174.9)
-
Step 600
600
#3B8271
oklch(55.6% 0.077 175.4)
-
Step 700
700 (this color)
#357666
oklch(51.8% 0.072 175)
-
Step 800
800
#265A4D
oklch(42.8% 0.06 174.6)
-
Step 900
900
#244A40
oklch(37.8% 0.047 174.5)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#357666 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) | #726F65 | 0.075 |
| Deuteranopia (no green cones) | #686867 | 0.071 |
| Tritanopia (no blue cones) | #147771 | 0.023 |
| Achromatopsia (no color) | #6B6B6B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #357666
#357666
oklch(51.8% 0.072 175)
- #89576B
#89576B
oklch(51.8% 0.071 354.3)
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 #357666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.035
- Deep Aqua #08787F ΔE 0.040
- Teal #008080 ΔE 0.043
- Dark Aqua #05696B ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.065
- Ocean #017B92 ΔE 0.067
Use #357666 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.