#3EC0F0
Closest named color: Deep Sky Blue (#00BFFF). oklch(75.8% 0.129 227.4), rgb(62, 192, 240).
Aa
Black text reads best on this color (10.00:1).
About this color
#3EC0F0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.129 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.027 away. Black text reads best on it, at 10.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 10.00:1 |
| White text | 2.09:1 |
Values
| HEX | #3EC0F0 |
| RGB | rgb(62, 192, 240) |
| HSL | hsl(196, 86%, 59%) |
| OKLCH | oklch(75.8% 0.129 227.4) |
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 #3EC0F0 | 2.09:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #3EC0F0 | 10.00:1 | AAA | Lc 63.2 | Content text, not long reading |
| #3EC0F0 text on white | 2.09:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #3EC0F0 text on black | 10.00:1 | AAA | Lc -61.6 | 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 300.
-
Step 50
50
#EAF8FF
oklch(97.1% 0.018 229)
-
Step 100
100
#D1F0FE
oklch(93.7% 0.038 226.8)
-
Step 200
200
#A7E3FE
oklch(88.4% 0.071 227.5)
-
Step 300
300 (this color)
#3EC0F0
oklch(75.8% 0.129 227.4)
-
Step 400
400
#00B0E3
oklch(70.7% 0.137 227.7)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8B
oklch(49.2% 0.095 227.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#3EC0F0 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) | #A6BDF2 | 0.094 |
| Deuteranopia (no green cones) | #8FABEF | 0.083 |
| Tritanopia (no blue cones) | #00CED0 | 0.072 |
| Achromatopsia (no color) | #B3B3B3 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3EC0F0
#3EC0F0
oklch(75.8% 0.129 227.4)
- #F39666
#F39666
oklch(75.9% 0.129 47.4)
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 #3EC0F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.027
- Vivid Sky Blue #4CC9F0 ΔE 0.028
- Bright Sky Blue #02CCFE ΔE 0.034
- Lightblue #7BC8F6 ΔE 0.054
- Sky #82CAFC ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.070
- Aqua Blue #02D8E9 ΔE 0.070
- Dark Turquoise #00CED1 ΔE 0.070
Use #3EC0F0 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.