#3ECDEA
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(78.6% 0.124 214.6), rgb(62, 205, 234).
Aa
Black text reads best on this color (11.12:1).
About this color
#3ECDEA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.124 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.017 away. Black text reads best on it, at 11.12:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #3ECDEA |
| RGB | rgb(62, 205, 234) |
| HSL | hsl(190, 80%, 58%) |
| OKLCH | oklch(78.6% 0.124 214.6) |
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 #3ECDEA | 1.88:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #3ECDEA | 11.12:1 | AAA | Lc 68.4 | Content text, not long reading |
| #3ECDEA text on white | 1.88:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #3ECDEA text on black | 11.12:1 | AAA | Lc -67.1 | 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
#EAF9FC
oklch(97.2% 0.016 211)
-
Step 100
100
#D0F1F9
oklch(93.7% 0.036 214)
-
Step 200
200
#A4E5F5
oklch(88.4% 0.069 214.7)
-
Step 300
300 (this color)
#3ECDEA
oklch(78.6% 0.124 214.6)
-
Step 400
400
#00B4D0
oklch(70.8% 0.124 214)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#3ECDEA 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) | #B8C6EC | 0.111 |
| Deuteranopia (no green cones) | #A1B5EA | 0.101 |
| Tritanopia (no blue cones) | #00D8D6 | 0.051 |
| Achromatopsia (no color) | #BDBDBD | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3ECDEA
#3ECDEA
oklch(78.6% 0.124 214.6)
- #FE9B83
#FE9B83
oklch(78.6% 0.124 34.4)
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 #3ECDEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.017
- Bright Sky Blue #02CCFE ΔE 0.032
- Aqua Blue #02D8E9 ΔE 0.032
- Dark Turquoise #00CED1 ΔE 0.043
- Medium Turquoise #48D1CC ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.050
- Sky Blue #87CEEB ΔE 0.054
- Deep Sky Blue #00BFFF ΔE 0.059
Use #3ECDEA 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.