#3FA6DE
Closest named color: Chefchaouen Blue (#4895EF). oklch(69% 0.124 236.6), rgb(63, 166, 222).
Aa
Black text reads best on this color (7.72:1).
About this color
#3FA6DE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.124 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.058 away. Black text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #3FA6DE |
| RGB | rgb(63, 166, 222) |
| HSL | hsl(201, 71%, 56%) |
| OKLCH | oklch(69% 0.124 236.6) |
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 #3FA6DE | 2.71:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #3FA6DE | 7.72:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #3FA6DE text on white | 2.71:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #3FA6DE text on black | 7.72:1 | AAA | Lc -49.5 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200
#BFDEF2
oklch(88.4% 0.043 236.3)
-
Step 300
300
#90C9ED
oklch(80.9% 0.078 236.7)
-
Step 400
400 (this color)
#3FA6DE
oklch(69% 0.124 236.6)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#3FA6DE 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) | #8BA5E1 | 0.072 |
| Deuteranopia (no green cones) | #7696DD | 0.060 |
| Tritanopia (no blue cones) | #00B4B9 | 0.080 |
| Achromatopsia (no color) | #9D9D9D | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA6DE
#3FA6DE
oklch(69% 0.124 236.6)
- #D58648
#D58648
oklch(69.1% 0.124 56.8)
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 #3FA6DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.058
- Turquoise Blue #06B1C4 ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.069
- Greyblue #77A1B5 ΔE 0.071
- Deep Sky Blue #00BFFF ΔE 0.073
- Faded Blue #658CBB ΔE 0.078
- Bluegrey #85A3B2 ΔE 0.085
Use #3FA6DE 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.