Neon Blue #4361EE
Neon Blue is a medium-dark, vivid blue with hex code #4361EE and RGB rgb(67, 97, 238).
Aa
White text reads best on this color (5.02:1).
About this color
#4361EE is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.214 and its hue 269°. Its hue sits on the cool side of the wheel. It is the named color Neon Blue. White text reads best on it, at 5.02:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Neon Blue |
| Black text | 4.18:1 |
| White text | 5.02:1 |
Colors that go with Neon Blue
Matches found by rotating Neon Blue around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Neon Blue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Neon Blue, closest first.
Similar named colors
The eight named colors closest to Neon Blue, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.028
- Azul #1D5DEC ΔE 0.034
- Warm Blue #4B57DB ΔE 0.036
- Bright Blue #0165FC ΔE 0.040
- Cerulean Blue #056EEE ΔE 0.041
- Electric Blue #0652FF ΔE 0.060
- Clear Blue #247AFD ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.062
More about Neon Blue
How to make Neon Blue
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 3 parts blue
- 1 part white
Recipe result: #2B64C4, a difference of ΔE 0.071 from Neon Blue. That is close; add a little more of one paint to match.
Codes for Neon Blue in every format
| HEX | #4361EE |
| RGB | rgb(67, 97, 238) |
| HSL | hsl(229, 83%, 60%) |
| OKLCH | oklch(55.6% 0.214 269) |
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 #4361EE | 5.02:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #4361EE | 4.18:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #4361EE text on white | 5.02:1 | AA | Lc 74.1 | Content text, not long reading |
| #4361EE text on black | 4.18:1 | AA large text | Lc -27.6 | Dividers and decoration only |
Shades and tints of Neon Blue
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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD8FE
oklch(88.4% 0.055 269.3)
-
Step 300
300
#A7BEFF
oklch(80.8% 0.096 269.2)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500
#5A7CFF
oklch(63% 0.198 269.1)
-
Step 600
600 (this color)
#4361EE
oklch(55.6% 0.214 269)
-
Step 700
700
#364FCF
oklch(49.1% 0.199 269.1)
-
Step 800
800
#2C42A7
oklch(42.7% 0.164 268.9)
-
Step 900
900
#273985
oklch(37.7% 0.129 269.2)
-
Step 950
950
#17224E
oklch(27% 0.082 269.6)
Neon Blue 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) | #0077F3 | 0.056 |
| Deuteranopia (no green cones) | #0067EB | 0.037 |
| Tritanopia (no blue cones) | #00859E | 0.172 |
| Achromatopsia (no color) | #6F6F6F | 0.215 |
Use Neon Blue 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.