#3FA8DF
Closest named color: Turquoise Blue (#06B1C4). oklch(69.5% 0.124 235.7), rgb(63, 168, 223).
Aa
Black text reads best on this color (7.87:1).
About this color
#3FA8DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.124 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.058 away. Black text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #3FA8DF |
| RGB | rgb(63, 168, 223) |
| HSL | hsl(201, 71%, 56%) |
| OKLCH | oklch(69.5% 0.124 235.7) |
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 #3FA8DF | 2.66:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #3FA8DF | 7.87:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #3FA8DF text on white | 2.66:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #3FA8DF text on black | 7.87:1 | AAA | Lc -50.4 | 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
#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
#8FC9EC
oklch(80.9% 0.078 235.5)
-
Step 400
400 (this color)
#3FA8DF
oklch(69.5% 0.124 235.7)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#3FA8DF 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) | #8EA7E2 | 0.075 |
| Deuteranopia (no green cones) | #7898DE | 0.062 |
| Tritanopia (no blue cones) | #00B6BB | 0.079 |
| Achromatopsia (no color) | #9E9E9E | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA8DF
#3FA8DF
oklch(69.5% 0.124 235.7)
- #D7874B
#D7874B
oklch(69.5% 0.124 55.8)
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 #3FA8DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.068
- Greyblue #77A1B5 ΔE 0.071
- Dark Sky Blue #448EE4 ΔE 0.074
- Faded Blue #658CBB ΔE 0.083
- Bluegrey #85A3B2 ΔE 0.085
Use #3FA8DF 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.