#5FA3F0
Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.133 252.8), rgb(95, 163, 240).
Aa
Black text reads best on this color (7.98:1).
About this color
#5FA3F0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.133 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.036 away. Black text reads best on it, at 7.98:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.98:1 |
| White text | 2.63:1 |
Values
| HEX | #5FA3F0 |
| RGB | rgb(95, 163, 240) |
| HSL | hsl(212, 83%, 66%) |
| OKLCH | oklch(70.4% 0.133 252.8) |
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 #5FA3F0 | 2.63:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #5FA3F0 | 7.98:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #5FA3F0 text on white | 2.63:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #5FA3F0 text on black | 7.98:1 | 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
#C4DCF8
oklch(88.6% 0.047 252.4)
-
Step 300
300
#9AC4F6
oklch(80.8% 0.084 253.2)
-
Step 400
400 (this color)
#5FA3F0
oklch(70.4% 0.133 252.8)
-
Step 500
500
#2B8BEC
oklch(63.1% 0.17 252.7)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#05427A
oklch(37.8% 0.111 252.6)
-
Step 950
950
#082747
oklch(27% 0.069 252.5)
#5FA3F0 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) | #82A7F3 | 0.040 |
| Deuteranopia (no green cones) | #6F99EE | 0.028 |
| Tritanopia (no blue cones) | #00B5BF | 0.110 |
| Achromatopsia (no color) | #A0A0A0 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA3F0
#5FA3F0
oklch(70.4% 0.133 252.8)
- #D1912F
#D1912F
oklch(70.4% 0.133 73.2)
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 #5FA3F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.036
- Chefchaouen Blue #4895EF ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.061
- 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 0.077
Use #5FA3F0 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.