#5AD3EE
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(80.9% 0.113 214.9), rgb(90, 211, 238).
Aa
Black text reads best on this color (11.98:1).
About this color
#5AD3EE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.113 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.032 away. Black text reads best on it, at 11.98:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 11.98:1 |
| White text | 1.75:1 |
Values
| HEX | #5AD3EE |
| RGB | rgb(90, 211, 238) |
| HSL | hsl(191, 81%, 64%) |
| OKLCH | oklch(80.9% 0.113 214.9) |
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 #5AD3EE | 1.75:1 | Fails | Lc -35.6 | Non-text elements, placeholder text |
| Black text on #5AD3EE | 11.98:1 | AAA | Lc 72.1 | Content text, not long reading |
| #5AD3EE text on white | 1.75:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #5AD3EE text on black | 11.98:1 | AAA | Lc -71.0 | 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
#EBF8FC
oklch(97.1% 0.015 218)
-
Step 100
100
#D2F0F8
oklch(93.6% 0.033 215.6)
-
Step 200
200
#AAE4F3
oklch(88.4% 0.062 215.4)
-
Step 300
300 (this color)
#5AD3EE
oklch(80.9% 0.113 214.9)
-
Step 400
400
#00B3D1
oklch(70.6% 0.125 215.4)
-
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
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#5AD3EE 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) | #C0CDF0 | 0.102 |
| Deuteranopia (no green cones) | #AABDEE | 0.091 |
| Tritanopia (no blue cones) | #00DDDB | 0.053 |
| Achromatopsia (no color) | #C4C4C4 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AD3EE
#5AD3EE
oklch(80.9% 0.113 214.9)
- #FFA690
#FFA690
oklch(80.8% 0.111 34.6)
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 #5AD3EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.032
- Aqua Blue #02D8E9 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.037
- Lightblue #7BC8F6 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.045
- Bright Sky Blue #02CCFE ΔE 0.046
- Sky #82CAFC ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.052
Use #5AD3EE 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.