#3FC2DF
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.6% 0.117 215.9), rgb(63, 194, 223).
Aa
Black text reads best on this color (9.99:1).
About this color
#3FC2DF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.117 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.030 away. Black text reads best on it, at 9.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.99:1 |
| White text | 2.10:1 |
Values
| HEX | #3FC2DF |
| RGB | rgb(63, 194, 223) |
| HSL | hsl(191, 71%, 56%) |
| OKLCH | oklch(75.6% 0.117 215.9) |
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 #3FC2DF | 2.10:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #3FC2DF | 9.99:1 | AAA | Lc 63.2 | Content text, not long reading |
| #3FC2DF text on white | 2.10:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #3FC2DF text on black | 9.99:1 | AAA | Lc -61.5 | Content text, not long reading |
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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEEF3
oklch(93.7% 0.021 215.3)
-
Step 200
200
#BCE1EA
oklch(88.6% 0.041 214.1)
-
Step 300
300
#88CDDF
oklch(80.9% 0.074 216)
-
Step 400
400 (this color)
#3FC2DF
oklch(75.6% 0.117 215.9)
-
Step 500
500
#009AB4
oklch(63.2% 0.112 215.3)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#3FC2DF 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) | #AEBCE1 | 0.104 |
| Deuteranopia (no green cones) | #98ACDF | 0.093 |
| Tritanopia (no blue cones) | #00CDCB | 0.051 |
| Achromatopsia (no color) | #B3B3B3 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC2DF
#3FC2DF
oklch(75.6% 0.117 215.9)
- #F0947B
#F0947B
oklch(75.6% 0.117 36)
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 #3FC2DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.030
- Bright Sky Blue #02CCFE ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.047
- Deep Sky Blue #00BFFF ΔE 0.051
- Medium Turquoise #48D1CC ΔE 0.058
- Aqua Blue #02D8E9 ΔE 0.058
- Lightblue #7BC8F6 ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.062
Use #3FC2DF 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.