#4FA6F8
Closest named color: Cornflower Blue (#6495ED). oklch(70.8% 0.147 249.5), rgb(79, 166, 248).
Aa
Black text reads best on this color (8.14:1).
About this color
#4FA6F8 is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.147 and its hue 249°. 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 8.14:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #4FA6F8 |
| RGB | rgb(79, 166, 248) |
| HSL | hsl(209, 92%, 64%) |
| OKLCH | oklch(70.8% 0.147 249.5) |
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 #4FA6F8 | 2.57:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #4FA6F8 | 8.14:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #4FA6F8 text on white | 2.57:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #4FA6F8 text on black | 8.14:1 | AAA | Lc -51.8 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C0DDFA
oklch(88.6% 0.051 248.4)
-
Step 300
300
#92C6FA
oklch(80.9% 0.092 249)
-
Step 400
400 (this color)
#4FA6F8
oklch(70.8% 0.147 249.5)
-
Step 500
500
#008DEE
oklch(63.2% 0.176 249.3)
-
Step 600
600
#0076C9
oklch(55.6% 0.155 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518D
oklch(42.7% 0.12 249.5)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#002849
oklch(27.1% 0.074 248.8)
#4FA6F8 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) | #81AAFB | 0.051 |
| Deuteranopia (no green cones) | #6A9AF6 | 0.036 |
| Tritanopia (no blue cones) | #00B9C4 | 0.110 |
| Achromatopsia (no color) | #A1A1A1 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA6F8
#4FA6F8
oklch(70.8% 0.147 249.5)
- #DB8E1C
#DB8E1C
oklch(70.9% 0.147 69.5)
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 #4FA6F8, 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 0.047
- Deep Sky Blue #00BFFF ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.069
- Periwinkle Blue #8F99FB ΔE 0.071
- Dodger Blue #1E90FF ΔE 0.072
- Soft Blue #6488EA ΔE 0.077
- Carolina Blue #8AB8FE ΔE 0.080
Use #4FA6F8 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.