#5BA9FF
Closest named color: Cornflower Blue (#6495ED). oklch(72.3% 0.148 252.5), rgb(91, 169, 255).
Aa
Black text reads best on this color (8.56:1).
About this color
#5BA9FF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.148 and its hue 253°. 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 8.56:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.56:1 |
| White text | 2.45:1 |
Values
| HEX | #5BA9FF |
| RGB | rgb(91, 169, 255) |
| HSL | hsl(211, 100%, 68%) |
| OKLCH | oklch(72.3% 0.148 252.5) |
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 #5BA9FF | 2.45:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #5BA9FF | 8.56:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #5BA9FF text on white | 2.45:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #5BA9FF text on black | 8.56:1 | AAA | Lc -54.0 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFB
oklch(88.5% 0.051 252.9)
-
Step 300
300
#95C5FB
oklch(80.9% 0.092 251.9)
-
Step 400
400 (this color)
#5BA9FF
oklch(72.3% 0.148 252.5)
-
Step 500
500
#0A8AF7
oklch(63.2% 0.189 252.5)
-
Step 600
600
#0073D2
oklch(55.5% 0.17 252.7)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#00427C
oklch(37.8% 0.114 252.4)
-
Step 950
950
#02274B
oklch(27.1% 0.078 252)
#5BA9FF 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) | #83AEFF | 0.044 |
| Deuteranopia (no green cones) | #6D9EFD | 0.031 |
| Tritanopia (no blue cones) | #00BDC8 | 0.118 |
| Achromatopsia (no color) | #A5A5A5 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BA9FF
#5BA9FF
oklch(72.3% 0.148 252.5)
- #DD941C
#DD941C
oklch(72.2% 0.148 72.4)
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 #5BA9FF, 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 0.064
- Periwinkle Blue #8F99FB ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.082
- Dodger Blue #1E90FF ΔE 0.083
- Soft Blue #6488EA ΔE 0.086
Use #5BA9FF 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.