#3B8574
Closest named color: Dark Cyan (#008B8B). oklch(56.5% 0.079 176), rgb(59, 133, 116).
Aa
Black text reads best on this color (4.79:1).
About this color
#3B8574 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.079 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.037 away. Black text reads best on it, at 4.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #3B8574 |
| RGB | rgb(59, 133, 116) |
| HSL | hsl(166, 39%, 38%) |
| OKLCH | oklch(56.5% 0.079 176) |
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 #3B8574 | 4.38:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #3B8574 | 4.79:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #3B8574 text on white | 4.38:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #3B8574 text on black | 4.79:1 | AA | Lc -31.5 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#AAC9C0
oklch(81% 0.036 175.9)
-
Step 400
400
#7BAD9F
oklch(70.8% 0.057 175.3)
-
Step 500
500
#569888
oklch(63.1% 0.072 176.4)
-
Step 600
600 (this color)
#3B8574
oklch(56.5% 0.079 176)
-
Step 700
700
#2A6E5F
oklch(49% 0.073 176.1)
-
Step 800
800
#245A4E
oklch(42.7% 0.061 176.4)
-
Step 900
900
#234A41
oklch(37.7% 0.047 176.7)
-
Step 950
950
#152B26
oklch(26.9% 0.03 177.6)
#3B8574 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) | #817D73 | 0.084 |
| Deuteranopia (no green cones) | #757575 | 0.079 |
| Tritanopia (no blue cones) | #118780 | 0.024 |
| Achromatopsia (no color) | #797979 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B8574
#3B8574
oklch(56.5% 0.079 176)
- #9B6277
#9B6277
oklch(56.5% 0.079 356.2)
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 #3B8574, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.037
- Teal #008080 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.042
- Dark Sage #598556 ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
- Viridian #1E9167 ΔE 0.049
- Slate Green #658D6D ΔE 0.053
- Sea Green #2E8B57 ΔE 0.054
Use #3B8574 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.