#5BCAFE
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(79.5% 0.125 231.6), rgb(91, 202, 254).
Aa
Black text reads best on this color (11.32:1).
About this color
#5BCAFE is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.125 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.024 away. Black text reads best on it, at 11.32:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 11.32:1 |
| White text | 1.85:1 |
Values
| HEX | #5BCAFE |
| RGB | rgb(91, 202, 254) |
| HSL | hsl(199, 99%, 68%) |
| OKLCH | oklch(79.5% 0.125 231.6) |
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 #5BCAFE | 1.85:1 | Fails | Lc -38.8 | Non-text elements, placeholder text |
| Black text on #5BCAFE | 11.32:1 | AAA | Lc 69.2 | Content text, not long reading |
| #5BCAFE text on white | 1.85:1 | Fails | Lc 34.7 | Non-text elements, placeholder text |
| #5BCAFE text on black | 11.32:1 | AAA | Lc -67.9 | 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
#EBF8FF
oklch(97.1% 0.017 230.9)
-
Step 100
100
#D3EFFE
oklch(93.6% 0.036 231.1)
-
Step 200
200
#ABE2FF
oklch(88.5% 0.069 231.5)
-
Step 300
300 (this color)
#5BCAFE
oklch(79.5% 0.125 231.6)
-
Step 400
400
#00AFEA
oklch(70.8% 0.144 231.6)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#5BCAFE 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) | #B0C8FF | 0.083 |
| Deuteranopia (no green cones) | #99B7FD | 0.072 |
| Tritanopia (no blue cones) | #00D8DB | 0.079 |
| Achromatopsia (no color) | #BEBEBE | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BCAFE
#5BCAFE
oklch(79.5% 0.125 231.6)
- #FCA46F
#FCA46F
oklch(79.5% 0.125 51.2)
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 #5BCAFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.024
- Lightblue #7BC8F6 ΔE 0.026
- Bright Sky Blue #02CCFE ΔE 0.031
- Sky #82CAFC ΔE 0.032
- Light Sky Blue #87CEFA ΔE 0.041
- Sky Blue #87CEEB ΔE 0.048
- Deep Sky Blue #00BFFF ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.059
Use #5BCAFE 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.