#5DC4E4
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(77.1% 0.105 221.1), rgb(93, 196, 228).
Aa
Black text reads best on this color (10.48:1).
About this color
#5DC4E4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.105 and its hue 221°. 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 10.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.48:1 |
| White text | 2.00:1 |
Values
| HEX | #5DC4E4 |
| RGB | rgb(93, 196, 228) |
| HSL | hsl(194, 71%, 63%) |
| OKLCH | oklch(77.1% 0.105 221.1) |
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 #5DC4E4 | 2.00:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #5DC4E4 | 10.48:1 | AAA | Lc 65.3 | Content text, not long reading |
| #5DC4E4 text on white | 2.00:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #5DC4E4 text on black | 10.48:1 | AAA | Lc -63.8 | 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
#ECF8FC
oklch(97.1% 0.014 219.6)
-
Step 100
100
#D5EFF8
oklch(93.6% 0.03 220.6)
-
Step 200
200
#AFE3F5
oklch(88.6% 0.059 221.1)
-
Step 300
300 (this color)
#5DC4E4
oklch(77.1% 0.105 221.1)
-
Step 400
400
#00B2D9
oklch(70.7% 0.13 221)
-
Step 500
500
#0099BB
oklch(63.2% 0.116 221)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#5DC4E4 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) | #B1BFE6 | 0.087 |
| Deuteranopia (no green cones) | #9DB1E4 | 0.077 |
| Tritanopia (no blue cones) | #00CECE | 0.060 |
| Achromatopsia (no color) | #B7B7B7 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DC4E4
#5DC4E4
oklch(77.1% 0.105 221.1)
- #EE9E80
#EE9E80
oklch(77.2% 0.105 41.3)
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 #5DC4E4, 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
- Lightblue #7BC8F6 ΔE 0.040
- Bright Sky Blue #02CCFE ΔE 0.044
- Sky Blue #87CEEB ΔE 0.050
- Sky #82CAFC ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.056
- Dark Turquoise #00CED1 ΔE 0.056
Use #5DC4E4 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.