#357B66
Closest named color: Bluegreen (#017A79). oklch(53.2% 0.079 170.9), rgb(53, 123, 102).
Aa
White text reads best on this color (5.02:1).
About this color
#357B66 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.079 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.036 away. White text reads best on it, at 5.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #357B66 |
| RGB | rgb(53, 123, 102) |
| HSL | hsl(162, 40%, 35%) |
| OKLCH | oklch(53.2% 0.079 170.9) |
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 #357B66 | 5.02:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #357B66 | 4.17:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #357B66 text on white | 5.02:1 | AA | Lc 74.6 | Content text, not long reading |
| #357B66 text on black | 4.17:1 | AA large text | Lc -27.2 | 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 600.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BD
oklch(80.8% 0.035 170.5)
-
Step 400
400
#7DAC9C
oklch(70.6% 0.056 171.6)
-
Step 500
500
#5A9883
oklch(63.1% 0.072 170.2)
-
Step 600
600 (this color)
#357B66
oklch(53.2% 0.079 170.9)
-
Step 700
700
#2E6E5B
oklch(49.1% 0.073 171)
-
Step 800
800
#285A4A
oklch(42.8% 0.061 170)
-
Step 900
900
#254A3E
oklch(37.7% 0.048 170.5)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#357B66 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) | #787365 | 0.082 |
| Deuteranopia (no green cones) | #6D6C67 | 0.077 |
| Tritanopia (no blue cones) | #117C75 | 0.027 |
| Achromatopsia (no color) | #6F6F6F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #357B66
#357B66
oklch(53.2% 0.079 170.9)
- #8F5972
#8F5972
oklch(53.2% 0.078 350.8)
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 #357B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.036
- Teal #008080 ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.046
- Deep Aqua #08787F ΔE 0.046
- Dark Sage #598556 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.061
- Dark Cyan #008B8B ΔE 0.061
Use #357B66 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.