#5ECBDB
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(78.4% 0.102 208.3), rgb(94, 203, 219).
Aa
Black text reads best on this color (11.04:1).
About this color
#5ECBDB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.102 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.034 away. Black text reads best on it, at 11.04:1.
| Hue family | Teals and cyans |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #5ECBDB |
| RGB | rgb(94, 203, 219) |
| HSL | hsl(188, 63%, 61%) |
| OKLCH | oklch(78.4% 0.102 208.3) |
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 #5ECBDB | 1.90:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #5ECBDB | 11.04:1 | AAA | Lc 67.9 | Content text, not long reading |
| #5ECBDB text on white | 1.90:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #5ECBDB text on black | 11.04:1 | AAA | Lc -66.5 | 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
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#D4F0F4
oklch(93.6% 0.03 207.1)
-
Step 200
200
#AEE4ED
oklch(88.5% 0.056 208.8)
-
Step 300
300 (this color)
#5ECBDB
oklch(78.4% 0.102 208.3)
-
Step 400
400
#00B5C8
oklch(70.7% 0.122 208)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#5ECBDB 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) | #BCC4DC | 0.098 |
| Deuteranopia (no green cones) | #A8B6DB | 0.089 |
| Tritanopia (no blue cones) | #00D3D0 | 0.045 |
| Achromatopsia (no color) | #BCBCBC | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5ECBDB
#5ECBDB
oklch(78.4% 0.102 208.3)
- #F3A094
#F3A094
oklch(78.5% 0.101 28.6)
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 #5ECBDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.034
- Medium Turquoise #48D1CC ΔE 0.035
- Dark Turquoise #00CED1 ΔE 0.040
- Aqua Blue #02D8E9 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.057
Use #5ECBDB 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.