#5AAAF3
Closest named color: Cornflower Blue (#6495ED). oklch(71.8% 0.133 248.2), rgb(90, 170, 243).
Aa
Black text reads best on this color (8.47:1).
About this color
#5AAAF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.133 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.055 away. Black text reads best on it, at 8.47:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.47:1 |
| White text | 2.47:1 |
Values
| HEX | #5AAAF3 |
| RGB | rgb(90, 170, 243) |
| HSL | hsl(209, 86%, 65%) |
| OKLCH | oklch(71.8% 0.133 248.2) |
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 #5AAAF3 | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #5AAAF3 | 8.47:1 | AAA | Lc 55.6 | Large or bold text, headings |
| #5AAAF3 text on white | 2.47:1 | Fails | Lc 48.4 | Large or bold text, headings |
| #5AAAF3 text on black | 8.47:1 | AAA | Lc -53.6 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFA
oklch(93.7% 0.024 248.1)
-
Step 200
200
#C2DDF7
oklch(88.6% 0.046 247.3)
-
Step 300
300
#96C6F4
oklch(80.9% 0.083 247.8)
-
Step 400
400 (this color)
#5AAAF3
oklch(71.8% 0.133 248.2)
-
Step 500
500
#038EEA
oklch(63.2% 0.17 248.1)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900
#004474
oklch(37.7% 0.101 247.8)
-
Step 950
950
#022847
oklch(27% 0.071 248.4)
#5AAAF3 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) | #8AADF6 | 0.051 |
| Deuteranopia (no green cones) | #759EF2 | 0.038 |
| Tritanopia (no blue cones) | #00BBC4 | 0.103 |
| Achromatopsia (no color) | #A5A5A5 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AAAF3
#5AAAF3
oklch(71.8% 0.133 248.2)
- #DA933A
#DA933A
oklch(71.9% 0.133 68.5)
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 #5AAAF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.055
- Deep Sky Blue #00BFFF ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.071
- Dark Sky Blue #448EE4 ΔE 0.081
- Vivid Sky Blue #4CC9F0 ΔE 0.086
- Soft Blue #6488EA ΔE 0.088
Use #5AAAF3 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.