#3BA3AF
Closest named color: Cadet Blue (#5F9EA0). oklch(66.1% 0.095 206), rgb(59, 163, 175).
Aa
Black text reads best on this color (7.04:1).
About this color
#3BA3AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.095 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.032 away. Black text reads best on it, at 7.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.04:1 |
| White text | 2.98:1 |
Values
| HEX | #3BA3AF |
| RGB | rgb(59, 163, 175) |
| HSL | hsl(186, 50%, 46%) |
| OKLCH | oklch(66.1% 0.095 206) |
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 #3BA3AF | 2.98:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #3BA3AF | 7.04:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #3BA3AF text on white | 2.98:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #3BA3AF text on black | 7.04:1 | AAA | Lc -45.7 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DEE1
oklch(88.4% 0.026 205.8)
-
Step 300
300
#9ECACF
oklch(80.9% 0.047 204.9)
-
Step 400
400
#65AEB7
oklch(70.7% 0.074 205.8)
-
Step 500
500 (this color)
#3BA3AF
oklch(66.1% 0.095 206)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#074B52
oklch(37.8% 0.062 206)
-
Step 950
950
#092C30
oklch(27.1% 0.039 206)
#3BA3AF 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) | #969DB0 | 0.093 |
| Deuteranopia (no green cones) | #8590AF | 0.085 |
| Tritanopia (no blue cones) | #00AAA6 | 0.033 |
| Achromatopsia (no color) | #959595 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BA3AF
#3BA3AF
oklch(66.1% 0.095 206)
- #C67B74
#C67B74
oklch(66.1% 0.095 25.7)
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 #3BA3AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.032
- Turquoise Blue #06B1C4 ΔE 0.043
- Sea #3C9992 ΔE 0.046
- Light Sea Green #20B2AA ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.049
- Persian Green #2A9D8F ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.054
- Greyblue #77A1B5 ΔE 0.055
Use #3BA3AF 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.