#3FBDBE
Closest named color: Topaz (#13BBAF). oklch(73.1% 0.108 195.8), rgb(63, 189, 190).
Aa
Black text reads best on this color (9.23:1).
About this color
#3FBDBE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.108 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.029 away. Black text reads best on it, at 9.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.23:1 |
| White text | 2.27:1 |
Values
| HEX | #3FBDBE |
| RGB | rgb(63, 189, 190) |
| HSL | hsl(180, 50%, 50%) |
| OKLCH | oklch(73.1% 0.108 195.8) |
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 #3FBDBE | 2.27:1 | Fails | Lc -49.3 | Large or bold text, headings |
| Black text on #3FBDBE | 9.23:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #3FBDBE text on white | 2.27:1 | Fails | Lc 44.5 | Non-text elements, placeholder text |
| #3FBDBE text on black | 9.23:1 | AAA | Lc -57.6 | 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 400.
-
Step 50
50
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DCEEEE
oklch(93.6% 0.019 196.8)
-
Step 200
200
#BEE1E1
oklch(88.5% 0.037 196.5)
-
Step 300
300
#8CCFCF
oklch(81% 0.068 195.9)
-
Step 400
400 (this color)
#3FBDBE
oklch(73.1% 0.108 195.8)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#3FBDBE 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) | #B1B4BE | 0.113 |
| Deuteranopia (no green cones) | #9DA6BF | 0.104 |
| Tritanopia (no blue cones) | #00C3BD | 0.023 |
| Achromatopsia (no color) | #ACACAC | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FBDBE
#3FBDBE
oklch(73.1% 0.108 195.8)
- #E48B91
#E48B91
oklch(73.1% 0.109 15.7)
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 #3FBDBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.029
- Light Sea Green #20B2AA ΔE 0.043
- Turquoise Blue #06B1C4 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.057
- Greeny Blue #42B395 ΔE 0.058
- Medium Aquamarine #66CDAA ΔE 0.068
- Pale Teal #82CBB2 ΔE 0.074
Use #3FBDBE 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.