#4FA8EB
Closest named color: Cornflower Blue (#6495ED). oklch(70.6% 0.13 244), rgb(79, 168, 235).
Aa
Black text reads best on this color (8.13:1).
About this color
#4FA8EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.130 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.053 away. Black text reads best on it, at 8.13:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.13:1 |
| White text | 2.58:1 |
Values
| HEX | #4FA8EB |
| RGB | rgb(79, 168, 235) |
| HSL | hsl(206, 80%, 62%) |
| OKLCH | oklch(70.6% 0.13 244) |
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 #4FA8EB | 2.58:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #4FA8EB | 8.13:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #4FA8EB text on white | 2.58:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #4FA8EB text on black | 8.13:1 | AAA | Lc -51.7 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DDECF9
oklch(93.6% 0.024 244.1)
-
Step 200
200
#C1DDF5
oklch(88.5% 0.045 244.2)
-
Step 300
300
#93C7F2
oklch(80.9% 0.082 244)
-
Step 400
400 (this color)
#4FA8EB
oklch(70.6% 0.13 244)
-
Step 500
500
#0091E0
oklch(63.2% 0.156 243.9)
-
Step 600
600
#0079BD
oklch(55.5% 0.138 244.2)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#4FA8EB 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) | #8AA9EE | 0.059 |
| Deuteranopia (no green cones) | #759AEA | 0.048 |
| Tritanopia (no blue cones) | #00B8BF | 0.095 |
| Achromatopsia (no color) | #A1A1A1 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA8EB
#4FA8EB
oklch(70.6% 0.13 244)
- #D88D3E
#D88D3E
oklch(70.6% 0.13 64)
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 #4FA8EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.055
- Deep Sky Blue #00BFFF ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.072
- Turquoise Blue #06B1C4 ΔE 0.078
- Carolina Blue #8AB8FE ΔE 0.080
- Periwinkle Blue #8F99FB ΔE 0.081
- Greyblue #77A1B5 ΔE 0.082
Use #4FA8EB 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.