#3FA6FE
Closest named color: Chefchaouen Blue (#4895EF). oklch(70.6% 0.159 248.3), rgb(63, 166, 254).
Aa
Black text reads best on this color (8.09:1).
About this color
#3FA6FE is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.159 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.046 away. Black text reads best on it, at 8.09:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 8.09:1 |
| White text | 2.59:1 |
Values
| HEX | #3FA6FE |
| RGB | rgb(63, 166, 254) |
| HSL | hsl(208, 99%, 62%) |
| OKLCH | oklch(70.6% 0.159 248.3) |
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 #3FA6FE | 2.59:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #3FA6FE | 8.09:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #3FA6FE text on white | 2.59:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #3FA6FE text on black | 8.09:1 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DBECFD
oklch(93.6% 0.029 248.1)
-
Step 200
200
#BDDDFD
oklch(88.5% 0.056 248.5)
-
Step 300
300
#8DC6FE
oklch(80.8% 0.099 248.7)
-
Step 400
400 (this color)
#3FA6FE
oklch(70.6% 0.159 248.3)
-
Step 500
500
#008EEA
oklch(63.2% 0.17 248)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900
#004475
oklch(37.8% 0.103 248.3)
-
Step 950
950
#002848
oklch(27% 0.073 248.1)
#3FA6FE 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) | #7DAAFF | 0.056 |
| Deuteranopia (no green cones) | #6199FC | 0.039 |
| Tritanopia (no blue cones) | #00BBC6 | 0.116 |
| Achromatopsia (no color) | #A1A1A1 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA6FE
#3FA6FE
oklch(70.6% 0.159 248.3)
- #DE8B00
#DE8B00
oklch(70.7% 0.155 68.3)
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 #3FA6FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.050
- Dodger Blue #1E90FF ΔE 0.064
- Deep Sky Blue #00BFFF ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.068
- Soft Blue #6488EA ΔE 0.079
- Periwinkle Blue #8F99FB ΔE 0.079
- Carolina Blue #8AB8FE ΔE 0.088
Use #3FA6FE 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.