#5BA4FF
Closest named color: Cornflower Blue (#6495ED). oklch(71.2% 0.153 255), rgb(91, 164, 255).
Aa
Black text reads best on this color (8.19:1).
About this color
#5BA4FF is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.153 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.042 away. Black text reads best on it, at 8.19:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.19:1 |
| White text | 2.56:1 |
Values
| HEX | #5BA4FF |
| RGB | rgb(91, 164, 255) |
| HSL | hsl(213, 100%, 68%) |
| OKLCH | oklch(71.2% 0.153 255) |
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 #5BA4FF | 2.56:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #5BA4FF | 8.19:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #5BA4FF text on white | 2.56:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #5BA4FF text on black | 8.19:1 | AAA | Lc -52.1 | 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
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DCFC
oklch(88.6% 0.052 253.7)
-
Step 300
300
#97C4FE
oklch(81% 0.096 255)
-
Step 400
400 (this color)
#5BA4FF
oklch(71.2% 0.153 255)
-
Step 500
500
#1C88FB
oklch(63.2% 0.194 254.8)
-
Step 600
600
#0071DB
oklch(55.7% 0.183 255)
-
Step 700
700
#005EB9
oklch(49% 0.162 255.1)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#004081
oklch(37.7% 0.124 254.9)
-
Step 950
950
#05264C
oklch(27% 0.08 254.9)
#5BA4FF 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) | #7CAAFF | 0.039 |
| Deuteranopia (no green cones) | #659BFD | 0.023 |
| Tritanopia (no blue cones) | #00B9C5 | 0.123 |
| Achromatopsia (no color) | #A2A2A2 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BA4FF
#5BA4FF
oklch(71.2% 0.153 255)
- #D89200
#D89200
oklch(71.2% 0.15 74.9)
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 #5BA4FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.049
- Periwinkle Blue #8F99FB ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.071
- Dark Sky Blue #448EE4 ΔE 0.072
- Soft Blue #6488EA ΔE 0.073
- Deep Sky Blue #00BFFF ΔE 0.075
- Carolina Blue #8AB8FE ΔE 0.077
Use #5BA4FF 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.