#4FA8F5
Closest named color: Cornflower Blue (#6495ED). oklch(71.1% 0.142 247.5), rgb(79, 168, 245).
Aa
Black text reads best on this color (8.25:1).
About this color
#4FA8F5 is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.142 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.050 away. Black text reads best on it, at 8.25:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.25:1 |
| White text | 2.54:1 |
Values
| HEX | #4FA8F5 |
| RGB | rgb(79, 168, 245) |
| HSL | hsl(208, 89%, 64%) |
| OKLCH | oklch(71.1% 0.142 247.5) |
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 #4FA8F5 | 2.54:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #4FA8F5 | 8.25:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #4FA8F5 text on white | 2.54:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #4FA8F5 text on black | 8.25:1 | AAA | Lc -52.4 | 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
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C0DDF9
oklch(88.5% 0.05 247.5)
-
Step 300
300
#92C6F7
oklch(80.8% 0.088 247.5)
-
Step 400
400 (this color)
#4FA8F5
oklch(71.1% 0.142 247.5)
-
Step 500
500
#008EE8
oklch(63% 0.168 247.5)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#002847
oklch(27% 0.072 247.4)
#4FA8F5 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) | #86ABF8 | 0.055 |
| Deuteranopia (no green cones) | #6F9BF4 | 0.041 |
| Tritanopia (no blue cones) | #00BAC3 | 0.106 |
| Achromatopsia (no color) | #A2A2A2 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA8F5
#4FA8F5
oklch(71.1% 0.142 247.5)
- #DB8E2C
#DB8E2C
oklch(71% 0.141 67.3)
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 #4FA8F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.073
- Periwinkle Blue #8F99FB ΔE 0.074
- Carolina Blue #8AB8FE ΔE 0.076
- Dodger Blue #1E90FF ΔE 0.078
- Soft Blue #6488EA ΔE 0.082
Use #4FA8F5 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.