#3FBEDF
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(74.6% 0.117 219), rgb(63, 190, 223).
Aa
Black text reads best on this color (9.64:1).
About this color
#3FBEDF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.117 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.037 away. Black text reads best on it, at 9.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.64:1 |
| White text | 2.17:1 |
Values
| HEX | #3FBEDF |
| RGB | rgb(63, 190, 223) |
| HSL | hsl(192, 71%, 56%) |
| OKLCH | oklch(74.6% 0.117 219) |
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 #3FBEDF | 2.17:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #3FBEDF | 9.64:1 | AAA | Lc 61.5 | Content text, not long reading |
| #3FBEDF text on white | 2.17:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #3FBEDF text on black | 9.64:1 | AAA | Lc -59.7 | 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 400.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEEF4
oklch(93.7% 0.022 218.6)
-
Step 200
200
#BCE0EC
oklch(88.5% 0.041 220)
-
Step 300
300
#89CCE1
oklch(80.8% 0.074 219.6)
-
Step 400
400 (this color)
#3FBEDF
oklch(74.6% 0.117 219)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#3FBEDF 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) | #A9B9E1 | 0.099 |
| Deuteranopia (no green cones) | #93A9DF | 0.088 |
| Tritanopia (no blue cones) | #00C9C8 | 0.055 |
| Achromatopsia (no color) | #B0B0B0 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FBEDF
#3FBEDF
oklch(74.6% 0.117 219)
- #EC9274
#EC9274
oklch(74.6% 0.117 39.2)
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 #3FBEDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.037
- Deep Sky Blue #00BFFF ΔE 0.047
- Bright Sky Blue #02CCFE ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.055
- Dark Turquoise #00CED1 ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.065
- Medium Turquoise #48D1CC ΔE 0.069
- Aqua Blue #02D8E9 ΔE 0.069
Use #3FBEDF 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.