#5BA5FF
Closest named color: Cornflower Blue (#6495ED). oklch(71.4% 0.152 254.5), rgb(91, 165, 255).
Aa
Black text reads best on this color (8.27:1).
About this color
#5BA5FF is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.152 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.045 away. Black text reads best on it, at 8.27:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #5BA5FF |
| RGB | rgb(91, 165, 255) |
| HSL | hsl(213, 100%, 68%) |
| OKLCH | oklch(71.4% 0.152 254.5) |
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 #5BA5FF | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #5BA5FF | 8.27:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #5BA5FF text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #5BA5FF text on black | 8.27:1 | AAA | Lc -52.5 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFC
oklch(88.6% 0.052 253.7)
-
Step 300
300
#97C4FD
oklch(80.9% 0.094 254.6)
-
Step 400
400 (this color)
#5BA5FF
oklch(71.4% 0.152 254.5)
-
Step 500
500
#1988FA
oklch(63.1% 0.193 254.5)
-
Step 600
600
#0071D9
oklch(55.6% 0.181 254.6)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E98
oklch(42.8% 0.138 254.3)
-
Step 900
900
#004080
oklch(37.6% 0.123 254.7)
-
Step 950
950
#04264C
oklch(27% 0.08 254.4)
#5BA5FF 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) | #7EABFF | 0.040 |
| Deuteranopia (no green cones) | #679BFD | 0.026 |
| Tritanopia (no blue cones) | #00BAC6 | 0.122 |
| Achromatopsia (no color) | #A2A2A2 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BA5FF
#5BA5FF
oklch(71.4% 0.152 254.5)
- #D99200
#D99200
oklch(71.3% 0.151 74.5)
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 #5BA5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.051
- Periwinkle Blue #8F99FB ΔE 0.060
- Deep Sky Blue #00BFFF ΔE 0.073
- Dodger Blue #1E90FF ΔE 0.073
- Dark Sky Blue #448EE4 ΔE 0.074
- Carolina Blue #8AB8FE ΔE 0.075
- Soft Blue #6488EA ΔE 0.076
Use #5BA5FF 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.