#4164F3
Closest named color: Neon Blue (#4361EE). oklch(56.4% 0.218 268), rgb(65, 100, 243).
Aa
White text reads best on this color (4.83:1).
About this color
#4164F3 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.218 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.010 away. White text reads best on it, at 4.83:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.218) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #4164F3 |
| RGB | rgb(65, 100, 243) |
| HSL | hsl(228, 88%, 60%) |
| OKLCH | oklch(56.4% 0.218 268) |
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 #4164F3 | 4.83:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #4164F3 | 4.34:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #4164F3 text on white | 4.83:1 | AA | Lc 72.9 | Content text, not long reading |
| #4164F3 text on black | 4.34:1 | AA large text | Lc -28.7 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD9FE
oklch(88.6% 0.054 267.9)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500
#577DFF
oklch(63.1% 0.197 268)
-
Step 600
600 (this color)
#4164F3
oklch(56.4% 0.218 268)
-
Step 700
700
#324FD1
oklch(49.1% 0.202 268.1)
-
Step 800
800
#2942A9
oklch(42.7% 0.168 268)
-
Step 900
900
#253986
oklch(37.7% 0.131 268.4)
-
Step 950
950
#15224E
oklch(26.9% 0.083 268)
#4164F3 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) | #007AF8 | 0.054 |
| Deuteranopia (no green cones) | #006AF0 | 0.034 |
| Tritanopia (no blue cones) | #0088A2 | 0.172 |
| Achromatopsia (no color) | #727272 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4164F3
#4164F3
oklch(56.4% 0.218 268)
- #927100
#927100
oklch(56.5% 0.116 88.3)
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 #4164F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.010
- Royal Blue #4169E1 ΔE 0.030
- Bright Blue #0165FC ΔE 0.036
- Cerulean Blue #056EEE ΔE 0.037
- Azul #1D5DEC ΔE 0.037
- Warm Blue #4B57DB ΔE 0.046
- Clear Blue #247AFD ΔE 0.053
- Electric Blue #0652FF ΔE 0.061
Use #4164F3 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.