#5BABFA
Closest named color: Cornflower Blue (#6495ED). oklch(72.5% 0.14 250.1), rgb(91, 171, 250).
Aa
Black text reads best on this color (8.65:1).
About this color
#5BABFA is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.140 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 | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #5BABFA |
| RGB | rgb(91, 171, 250) |
| HSL | hsl(210, 94%, 67%) |
| OKLCH | oklch(72.5% 0.14 250.1) |
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 #5BABFA | 2.42:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #5BABFA | 8.65:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #5BABFA text on white | 2.42:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #5BABFA 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
#C2DCF9
oklch(88.5% 0.049 251.2)
-
Step 300
300
#95C5F8
oklch(80.8% 0.089 250.5)
-
Step 400
400 (this color)
#5BABFA
oklch(72.5% 0.14 250.1)
-
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
#022749
oklch(26.9% 0.075 250.8)
#5BABFA 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) | #89AFFD | 0.049 |
| Deuteranopia (no green cones) | #739FF8 | 0.036 |
| Tritanopia (no blue cones) | #00BEC7 | 0.111 |
| Achromatopsia (no color) | #A6A6A6 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BABFA
#5BABFA
oklch(72.5% 0.14 250.1)
- #DD9530
#DD9530
oklch(72.5% 0.14 70.5)
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 #5BABFA, 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 0.062
- Chefchaouen Blue #4895EF ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.068
- Dark Sky Blue #448EE4 ΔE 0.085
- Vivid Sky Blue #4CC9F0 ΔE 0.087
- Dodger Blue #1E90FF ΔE 0.089
Use #5BABFA 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.