#4865FB
Closest named color: Neon Blue (#4361EE). oklch(57.6% 0.225 269.5), rgb(72, 101, 251).
Aa
White text reads best on this color (4.63:1).
About this color
#4865FB is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.225 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.023 away. White text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.225) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.53:1 |
| White text | 4.63:1 |
Values
| HEX | #4865FB |
| RGB | rgb(72, 101, 251) |
| HSL | hsl(230, 96%, 63%) |
| OKLCH | oklch(57.6% 0.225 269.5) |
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 #4865FB | 4.63:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #4865FB | 4.53:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #4865FB text on white | 4.63:1 | AA | Lc 71.6 | Content text, not long reading |
| #4865FB text on black | 4.53:1 | AA | Lc -30.1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7B9AFF
oklch(70.8% 0.152 269.4)
-
Step 500
500
#5B7CFF
oklch(63.1% 0.198 269.4)
-
Step 600
600 (this color)
#4865FB
oklch(57.6% 0.225 269.5)
-
Step 700
700
#364CD4
oklch(49% 0.209 269.6)
-
Step 800
800
#2C40AC
oklch(42.8% 0.173 269.4)
-
Step 900
900
#273888
oklch(37.8% 0.135 269.7)
-
Step 950
950
#16224F
oklch(27% 0.084 268.9)
#4865FB 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) | #007DFF | 0.060 |
| Deuteranopia (no green cones) | #006CF8 | 0.040 |
| Tritanopia (no blue cones) | #008BA6 | 0.180 |
| Achromatopsia (no color) | #757575 | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4865FB
#4865FB
oklch(57.6% 0.225 269.5)
- #957500
#957500
oklch(57.7% 0.118 89.5)
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 #4865FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.023
- Bright Blue #0165FC ΔE 0.041
- Royal Blue #4169E1 ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.046
- Azul #1D5DEC ΔE 0.049
- Clear Blue #247AFD ΔE 0.050
- Warm Blue #4B57DB ΔE 0.057
- Electric Blue #0652FF ΔE 0.066
Use #4865FB 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.