#3FA4FE
Closest named color: Chefchaouen Blue (#4895EF). oklch(70.2% 0.161 249.2), rgb(63, 164, 254).
Aa
Black text reads best on this color (7.95:1).
About this color
#3FA4FE is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.161 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.041 away. Black text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.95:1 |
| White text | 2.64:1 |
Values
| HEX | #3FA4FE |
| RGB | rgb(63, 164, 254) |
| HSL | hsl(208, 99%, 62%) |
| OKLCH | oklch(70.2% 0.161 249.2) |
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 #3FA4FE | 2.64:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #3FA4FE | 7.95:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #3FA4FE text on white | 2.64:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #3FA4FE text on black | 7.95:1 | AAA | Lc -50.9 | 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
#DCECFD
oklch(93.6% 0.029 249.8)
-
Step 200
200
#BDDDFD
oklch(88.5% 0.056 248.5)
-
Step 300
300
#8DC6FF
oklch(80.9% 0.1 249.2)
-
Step 400
400 (this color)
#3FA4FE
oklch(70.2% 0.161 249.2)
-
Step 500
500
#008DED
oklch(63.1% 0.175 249.1)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#002849
oklch(27.1% 0.074 248.8)
#3FA4FE 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) | #7AA9FF | 0.055 |
| Deuteranopia (no green cones) | #5E97FC | 0.038 |
| Tritanopia (no blue cones) | #00B9C5 | 0.118 |
| Achromatopsia (no color) | #9F9F9F | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA4FE
#3FA4FE
oklch(70.2% 0.161 249.2)
- #DB8B00
#DB8B00
oklch(70.3% 0.153 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 #3FA4FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.047
- Dodger Blue #1E90FF ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.064
- Deep Sky Blue #00BFFF ΔE 0.072
- Soft Blue #6488EA ΔE 0.075
- Periwinkle Blue #8F99FB ΔE 0.078
- Carolina Blue #8AB8FE ΔE 0.092
Use #3FA4FE 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.