#5AA9EB
Closest named color: Cornflower Blue (#6495ED). oklch(71.2% 0.124 246), rgb(90, 169, 235).
Aa
Black text reads best on this color (8.30:1).
About this color
#5AA9EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.124 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.054 away. Black text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #5AA9EB |
| RGB | rgb(90, 169, 235) |
| HSL | hsl(207, 78%, 64%) |
| OKLCH | oklch(71.2% 0.124 246) |
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 #5AA9EB | 2.52:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #5AA9EB | 8.30:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #5AA9EB text on white | 2.52:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #5AA9EB text on black | 8.30:1 | AAA | Lc -52.6 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C3DDF5
oklch(88.6% 0.043 246.2)
-
Step 300
300
#97C6F0
oklch(80.8% 0.078 245.9)
-
Step 400
400 (this color)
#5AA9EB
oklch(71.2% 0.124 246)
-
Step 500
500
#0D8FE3
oklch(63% 0.16 246.2)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005387
oklch(42.8% 0.11 245.8)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#032844
oklch(26.9% 0.066 246.5)
#5AA9EB 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) | #8CABEE | 0.053 |
| Deuteranopia (no green cones) | #799DEA | 0.041 |
| Tritanopia (no blue cones) | #00B9C0 | 0.097 |
| Achromatopsia (no color) | #A3A3A3 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA9EB
#5AA9EB
oklch(71.2% 0.124 246)
- #D69145
#D69145
oklch(71.2% 0.124 65.9)
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 #5AA9EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.060
- Deep Sky Blue #00BFFF ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.071
- Periwinkle Blue #8F99FB ΔE 0.075
- Dark Sky Blue #448EE4 ΔE 0.078
- Greyblue #77A1B5 ΔE 0.079
- Turquoise Blue #06B1C4 ΔE 0.080
Use #5AA9EB 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.