#3EB3D8
Closest named color: Turquoise Blue (#06B1C4). oklch(71.7% 0.115 223.2), rgb(62, 179, 216).
Aa
Black text reads best on this color (8.64:1).
About this color
#3EB3D8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.115 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.037 away. Black text reads best on it, at 8.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #3EB3D8 |
| RGB | rgb(62, 179, 216) |
| HSL | hsl(194, 66%, 55%) |
| OKLCH | oklch(71.7% 0.115 223.2) |
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 #3EB3D8 | 2.42:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #3EB3D8 | 8.64:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #3EB3D8 text on white | 2.42:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #3EB3D8 text on black | 8.64:1 | AAA | Lc -54.5 | 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
#DCEDF4
oklch(93.6% 0.02 224.3)
-
Step 200
200
#BEE0ED
oklch(88.6% 0.04 222.9)
-
Step 300
300
#8DCBE3
oklch(80.8% 0.072 224.1)
-
Step 400
400 (this color)
#3EB3D8
oklch(71.7% 0.115 223.2)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#3EB3D8 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) | #9EAFDA | 0.091 |
| Deuteranopia (no green cones) | #89A0D8 | 0.080 |
| Tritanopia (no blue cones) | #00BEBF | 0.058 |
| Achromatopsia (no color) | #A6A6A6 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3EB3D8
#3EB3D8
oklch(71.7% 0.115 223.2)
- #E08B68
#E08B68
oklch(71.8% 0.115 43)
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 #3EB3D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.037
- Deep Sky Blue #00BFFF ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.069
- Light Sea Green #20B2AA ΔE 0.072
- Topaz #13BBAF ΔE 0.075
- Bright Sky Blue #02CCFE ΔE 0.075
- Bluegrey #85A3B2 ΔE 0.078
Use #3EB3D8 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.