#3FA49C
Closest named color: Dull Teal (#5F9E8F). oklch(65.8% 0.093 187.9), rgb(63, 164, 156).
Aa
Black text reads best on this color (7.00:1).
About this color
#3FA49C is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.093 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.029 away. Black text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #3FA49C |
| RGB | rgb(63, 164, 156) |
| HSL | hsl(175, 44%, 45%) |
| OKLCH | oklch(65.8% 0.093 187.9) |
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 #3FA49C | 2.99:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #3FA49C | 7.00:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #3FA49C text on white | 2.99:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #3FA49C text on black | 7.00:1 | AAA | Lc -45.4 | Large or bold text, headings |
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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C7DFDC
oklch(88.5% 0.026 187.6)
-
Step 300
300
#A0CBC6
oklch(81% 0.046 187.5)
-
Step 400
400
#68B0A9
oklch(70.8% 0.073 187.7)
-
Step 500
500 (this color)
#3FA49C
oklch(65.8% 0.093 187.9)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#0C4C47
oklch(37.7% 0.061 186.9)
-
Step 950
950
#0B2C2A
oklch(26.9% 0.038 189.5)
#3FA49C 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) | #9C9C9C | 0.100 |
| Deuteranopia (no green cones) | #8C909D | 0.094 |
| Tritanopia (no blue cones) | #00A8A1 | 0.021 |
| Achromatopsia (no color) | #959595 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA49C
#3FA49C
oklch(65.8% 0.093 187.9)
- #C37987
#C37987
oklch(65.8% 0.094 7.7)
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 #3FA49C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.029
- Persian Green #2A9D8F ΔE 0.030
- Cadet Blue #5F9EA0 ΔE 0.032
- Sea #3C9992 ΔE 0.033
- Grey Teal #5E9B8A ΔE 0.035
- Light Sea Green #20B2AA ΔE 0.039
- Blue Green #0F9B8E ΔE 0.040
- Greeny Blue #42B395 ΔE 0.049
Use #3FA49C 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.