#3164F3
Closest named color: Neon Blue (#4361EE). oklch(55.8% 0.222 264.9), rgb(49, 100, 243).
Aa
White text reads best on this color (4.94:1).
About this color
#3164F3 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.222 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.017 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.222) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #3164F3 |
| RGB | rgb(49, 100, 243) |
| HSL | hsl(224, 89%, 57%) |
| OKLCH | oklch(55.8% 0.222 264.9) |
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 #3164F3 | 4.94:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #3164F3 | 4.24:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #3164F3 text on white | 4.94:1 | AA | Lc 73.5 | Content text, not long reading |
| #3164F3 text on black | 4.24:1 | AA large text | Lc -28.2 | Dividers and decoration only |
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
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719CFF
oklch(70.6% 0.153 265)
-
Step 500
500
#4D80FF
oklch(63.2% 0.197 264.8)
-
Step 600
600 (this color)
#3164F3
oklch(55.8% 0.222 264.9)
-
Step 700
700
#2451D3
oklch(49.1% 0.206 264.8)
-
Step 800
800
#1F43AA
oklch(42.6% 0.17 265)
-
Step 900
900
#1D3A87
oklch(37.6% 0.134 264.9)
-
Step 950
950
#11234F
oklch(27% 0.084 264.6)
#3164F3 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) | #0079F8 | 0.049 |
| Deuteranopia (no green cones) | #0067F0 | 0.021 |
| Tritanopia (no blue cones) | #0089A2 | 0.173 |
| Achromatopsia (no color) | #707070 | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3164F3
#3164F3
oklch(55.8% 0.222 264.9)
- #936D00
#936D00
oklch(55.8% 0.114 84.3)
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 #3164F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.017
- Bright Blue #0165FC ΔE 0.023
- Azul #1D5DEC ΔE 0.026
- Cerulean Blue #056EEE ΔE 0.028
- Royal Blue #4169E1 ΔE 0.034
- Warm Blue #4B57DB ΔE 0.050
- Electric Blue #0652FF ΔE 0.051
- Clear Blue #247AFD ΔE 0.053
Use #3164F3 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.