#5FA3EF
Closest named color: Cornflower Blue (#6495ED). oklch(70.3% 0.132 252.5), rgb(95, 163, 239).
Aa
Black text reads best on this color (7.97:1).
About this color
#5FA3EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.132 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.037 away. Black text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.97:1 |
| White text | 2.63:1 |
Values
| HEX | #5FA3EF |
| RGB | rgb(95, 163, 239) |
| HSL | hsl(212, 82%, 65%) |
| OKLCH | oklch(70.3% 0.132 252.5) |
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 #5FA3EF | 2.63:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #5FA3EF | 7.97:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #5FA3EF text on white | 2.63:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #5FA3EF text on black | 7.97:1 | AAA | Lc -50.8 | 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
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF7
oklch(88.5% 0.045 251.4)
-
Step 300
300
#9AC4F5
oklch(80.8% 0.083 252.7)
-
Step 400
400 (this color)
#5FA3EF
oklch(70.3% 0.132 252.5)
-
Step 500
500
#2B8BEB
oklch(63.1% 0.168 252.5)
-
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
#064279
oklch(37.7% 0.109 252.4)
-
Step 950
950
#082747
oklch(27% 0.069 252.5)
#5FA3EF 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) | #83A7F2 | 0.041 |
| Deuteranopia (no green cones) | #6F99ED | 0.028 |
| Tritanopia (no blue cones) | #00B5BE | 0.110 |
| Achromatopsia (no color) | #9F9F9F | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA3EF
#5FA3EF
oklch(70.3% 0.132 252.5)
- #D19131
#D19131
oklch(70.4% 0.132 72.8)
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 #5FA3EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.065
- Soft Blue #6488EA ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.075
- Deep Sky Blue #00BFFF ΔE 0.076
- Dodger Blue #1E90FF ΔE 0.078
Use #5FA3EF 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.