#5CBBE6
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.1% 0.109 230.1), rgb(92, 187, 230).
Aa
Black text reads best on this color (9.70:1).
About this color
#5CBBE6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.109 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.037 away. Black text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.70:1 |
| White text | 2.16:1 |
Values
| HEX | #5CBBE6 |
| RGB | rgb(92, 187, 230) |
| HSL | hsl(199, 73%, 63%) |
| OKLCH | oklch(75.1% 0.109 230.1) |
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 #5CBBE6 | 2.16:1 | Fails | Lc -47.0 | Large or bold text, headings |
| Black text on #5CBBE6 | 9.70:1 | AAA | Lc 61.7 | Content text, not long reading |
| #5CBBE6 text on white | 2.16:1 | Fails | Lc 42.3 | Non-text elements, placeholder text |
| #5CBBE6 text on black | 9.70:1 | AAA | Lc -59.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF5
oklch(93.7% 0.02 229)
-
Step 200
200
#C1DEEE
oklch(88.4% 0.038 232)
-
Step 300
300
#93C9E4
oklch(80.8% 0.068 230.3)
-
Step 400
400 (this color)
#5CBBE6
oklch(75.1% 0.109 230.1)
-
Step 500
500
#0096C7
oklch(63.1% 0.126 230.5)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#5CBBE6 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) | #A5B8E8 | 0.076 |
| Deuteranopia (no green cones) | #92AAE5 | 0.066 |
| Tritanopia (no blue cones) | #00C7C9 | 0.072 |
| Achromatopsia (no color) | #B0B0B0 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5CBBE6
#5CBBE6
oklch(75.1% 0.109 230.1)
- #E69A6E
#E69A6E
oklch(75.2% 0.109 50.5)
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 #5CBBE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.037
- Deep Sky Blue #00BFFF ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.060
- Sky #82CAFC ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.066
- Light Grey Blue #9DBCD4 ΔE 0.069
Use #5CBBE6 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.