#3C8178
Closest named color: Teal (#008080). oklch(55.6% 0.071 184.1), rgb(60, 129, 120).
Aa
Black text reads best on this color (4.60:1).
About this color
#3C8178 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.071 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.029 away. Black text reads best on it, at 4.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #3C8178 |
| RGB | rgb(60, 129, 120) |
| HSL | hsl(172, 37%, 37%) |
| OKLCH | oklch(55.6% 0.071 184.1) |
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 #3C8178 | 4.56:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #3C8178 | 4.60:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #3C8178 text on white | 4.56:1 | AA | Lc 71.5 | Content text, not long reading |
| #3C8178 text on black | 4.60:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C3
oklch(81% 0.032 184)
-
Step 400
400
#7CABA4
oklch(70.6% 0.051 184.7)
-
Step 500
500
#59978E
oklch(63.2% 0.066 183.9)
-
Step 600
600 (this color)
#3C8178
oklch(55.6% 0.071 184.1)
-
Step 700
700
#2D6D65
oklch(49.1% 0.067 184.2)
-
Step 800
800
#275952
oklch(42.7% 0.055 183.3)
-
Step 900
900
#254944
oklch(37.7% 0.043 184.1)
-
Step 950
950
#162B28
oklch(27% 0.028 184.2)
#3C8178 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) | #7B7B78 | 0.075 |
| Deuteranopia (no green cones) | #707279 | 0.072 |
| Tritanopia (no blue cones) | #13837E | 0.022 |
| Achromatopsia (no color) | #767676 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C8178
#3C8178
oklch(55.6% 0.071 184.1)
- #97616E
#97616E
oklch(55.5% 0.072 4)
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 #3C8178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.029
- Dark Cyan #008B8B ΔE 0.037
- Bluegreen #017A79 ΔE 0.039
- Deep Aqua #08787F ΔE 0.045
- Dusty Teal #4C9085 ΔE 0.049
- Ocean #017B92 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
- Dark Aquamarine #017371 ΔE 0.057
Use #3C8178 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.