#5AABFB
Closest named color: Cornflower Blue (#6495ED). oklch(72.5% 0.142 250.1), rgb(90, 171, 251).
Aa
Black text reads best on this color (8.65:1).
About this color
#5AABFB is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.142 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.057 away. Black text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #5AABFB |
| RGB | rgb(90, 171, 251) |
| HSL | hsl(210, 95%, 67%) |
| OKLCH | oklch(72.5% 0.142 250.1) |
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 #5AABFB | 2.42:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #5AABFB | 8.65:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #5AABFB text on white | 2.42:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #5AABFB text on black | 8.65:1 | AAA | Lc -54.5 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C1DCF9
oklch(88.4% 0.049 250.3)
-
Step 300
300
#95C5F8
oklch(80.8% 0.089 250.5)
-
Step 400
400 (this color)
#5AABFB
oklch(72.5% 0.142 250.1)
-
Step 500
500
#008CF0
oklch(63.1% 0.179 250.1)
-
Step 600
600
#0076CB
oklch(55.7% 0.158 250)
-
Step 700
700
#0063AC
oklch(49.2% 0.139 250)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004377
oklch(37.7% 0.106 249.9)
-
Step 950
950
#012749
oklch(26.9% 0.075 250.4)
#5AABFB 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) | #88AFFE | 0.049 |
| Deuteranopia (no green cones) | #729FF9 | 0.035 |
| Tritanopia (no blue cones) | #00BEC8 | 0.111 |
| Achromatopsia (no color) | #A6A6A6 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AABFB
#5AABFB
oklch(72.5% 0.142 250.1)
- #DE942E
#DE942E
oklch(72.5% 0.142 69.7)
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 #5AABFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.057
- Deep Sky Blue #00BFFF ΔE 0.058
- Carolina Blue #8AB8FE ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.063
- Periwinkle Blue #8F99FB ΔE 0.068
- Dark Sky Blue #448EE4 ΔE 0.085
- Vivid Sky Blue #4CC9F0 ΔE 0.088
- Dodger Blue #1E90FF ΔE 0.088
Use #5AABFB 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.