#3A6DFE
Closest named color: Clear Blue (#247AFD). oklch(58.7% 0.223 265.2), rgb(58, 109, 254).
Aa
Black text reads best on this color (4.79:1).
About this color
#3A6DFE is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.223 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.031 away. Black text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.223) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #3A6DFE |
| RGB | rgb(58, 109, 254) |
| HSL | hsl(224, 99%, 61%) |
| OKLCH | oklch(58.7% 0.223 265.2) |
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 #3A6DFE | 4.37:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #3A6DFE | 4.79:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #3A6DFE text on white | 4.37:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #3A6DFE text on black | 4.79:1 | AA | Lc -32.0 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600 (this color)
#3A6DFE
oklch(58.7% 0.223 265.2)
-
Step 700
700
#2650D4
oklch(49.1% 0.208 265.4)
-
Step 800
800
#2043AB
oklch(42.7% 0.171 265.3)
-
Step 900
900
#1E3A87
oklch(37.6% 0.133 265.3)
-
Step 950
950
#12234F
oklch(27% 0.084 265.3)
#3A6DFE 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) | #0082FF | 0.051 |
| Deuteranopia (no green cones) | #0070FB | 0.026 |
| Tritanopia (no blue cones) | #0092AB | 0.175 |
| Achromatopsia (no color) | #797979 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A6DFE
#3A6DFE
oklch(58.7% 0.223 265.2)
- #9D7600
#9D7600
oklch(58.8% 0.121 85.4)
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 #3A6DFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.031
- Neon Blue #4361EE ΔE 0.035
- Cerulean Blue #056EEE ΔE 0.036
- Bright Blue #0165FC ΔE 0.037
- Royal Blue #4169E1 ΔE 0.044
- Azul #1D5DEC ΔE 0.054
- Cornflower #6A79F7 ΔE 0.064
- Electric Blue #0652FF ΔE 0.071
Use #3A6DFE 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.