#3EC3F2
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(76.6% 0.13 226.4), rgb(62, 195, 242).
Aa
Black text reads best on this color (10.29:1).
About this color
#3EC3F2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.130 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.020 away. Black text reads best on it, at 10.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.29:1 |
| White text | 2.04:1 |
Values
| HEX | #3EC3F2 |
| RGB | rgb(62, 195, 242) |
| HSL | hsl(196, 87%, 60%) |
| OKLCH | oklch(76.6% 0.13 226.4) |
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 #3EC3F2 | 2.04:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #3EC3F2 | 10.29:1 | AAA | Lc 64.6 | Content text, not long reading |
| #3EC3F2 text on white | 2.04:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #3EC3F2 text on black | 10.29:1 | AAA | Lc -63.0 | 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
#D1F0FD
oklch(93.7% 0.037 225)
-
Step 200
200
#A6E4FE
oklch(88.6% 0.072 225.8)
-
Step 300
300 (this color)
#3EC3F2
oklch(76.6% 0.13 226.4)
-
Step 400
400
#00B0E1
oklch(70.6% 0.136 226.7)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#3EC3F2 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) | #AABFF4 | 0.097 |
| Deuteranopia (no green cones) | #91AEF1 | 0.083 |
| Tritanopia (no blue cones) | #00D1D2 | 0.072 |
| Achromatopsia (no color) | #B5B5B5 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3EC3F2
#3EC3F2
oklch(76.6% 0.13 226.4)
- #F69769
#F69769
oklch(76.5% 0.13 46.1)
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 #3EC3F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.020
- Bright Sky Blue #02CCFE ΔE 0.027
- Deep Sky Blue #00BFFF ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.049
- Sky #82CAFC ΔE 0.059
- Aqua Blue #02D8E9 ΔE 0.064
- Dark Turquoise #00CED1 ΔE 0.067
- Light Sky Blue #87CEFA ΔE 0.068
Use #3EC3F2 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.