#5AA6EC
Closest named color: Cornflower Blue (#6495ED). oklch(70.6% 0.128 248.3), rgb(90, 166, 236).
Aa
Black text reads best on this color (8.10:1).
About this color
#5AA6EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.128 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.046 away. Black text reads best on it, at 8.10:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.10:1 |
| White text | 2.59:1 |
Values
| HEX | #5AA6EC |
| RGB | rgb(90, 166, 236) |
| HSL | hsl(209, 79%, 64%) |
| OKLCH | oklch(70.6% 0.128 248.3) |
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 #5AA6EC | 2.59:1 | Fails | Lc -55.6 | Large or bold text, headings |
| Black text on #5AA6EC | 8.10:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #5AA6EC text on white | 2.59:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #5AA6EC text on black | 8.10:1 | AAA | Lc -51.5 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C3DCF6
oklch(88.4% 0.045 249.4)
-
Step 300
300
#98C6F2
oklch(81% 0.079 247.7)
-
Step 400
400 (this color)
#5AA6EC
oklch(70.6% 0.128 248.3)
-
Step 500
500
#188EE6
oklch(63.1% 0.163 248.1)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900
#004475
oklch(37.8% 0.103 248.3)
-
Step 950
950
#042845
oklch(27% 0.067 247.8)
#5AA6EC 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) | #88A9EF | 0.050 |
| Deuteranopia (no green cones) | #749AEB | 0.038 |
| Tritanopia (no blue cones) | #00B7BF | 0.101 |
| Achromatopsia (no color) | #A1A1A1 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA6EC
#5AA6EC
oklch(70.6% 0.128 248.3)
- #D4903C
#D4903C
oklch(70.7% 0.128 68.4)
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 #5AA6EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.069
- Dark Sky Blue #448EE4 ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.076
- Soft Blue #6488EA ΔE 0.079
- Greyblue #77A1B5 ΔE 0.082
Use #5AA6EC 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.