#506EF9
Closest named color: Neon Blue (#4361EE). oklch(59.5% 0.209 269.7), rgb(80, 110, 249).
Aa
Black text reads best on this color (4.93:1).
About this color
#506EF9 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.209 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.039 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.209) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #506EF9 |
| RGB | rgb(80, 110, 249) |
| HSL | hsl(229, 93%, 65%) |
| OKLCH | oklch(59.5% 0.209 269.7) |
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 #506EF9 | 4.25:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #506EF9 | 4.93:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #506EF9 text on white | 4.25:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #506EF9 text on black | 4.93:1 | AA | Lc -32.8 | 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 500.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FE
oklch(93.5% 0.029 271.1)
-
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 (this color)
#506EF9
oklch(59.5% 0.209 269.7)
-
Step 600
600
#435DF6
oklch(55.5% 0.229 269.7)
-
Step 700
700
#364BD6
oklch(49% 0.212 269.7)
-
Step 800
800
#2C3FAD
oklch(42.7% 0.176 269.6)
-
Step 900
900
#273889
oklch(37.9% 0.136 269.7)
-
Step 950
950
#162150
oklch(26.9% 0.087 269.7)
#506EF9 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) | #0083FE | 0.059 |
| Deuteranopia (no green cones) | #0073F6 | 0.046 |
| Tritanopia (no blue cones) | #0090A9 | 0.170 |
| Achromatopsia (no color) | #7B7B7B | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #506EF9
#506EF9
oklch(59.5% 0.209 269.7)
- #9B7A00
#9B7A00
oklch(59.5% 0.121 89.7)
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 #506EF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.039
- Clear Blue #247AFD ΔE 0.039
- Royal Blue #4169E1 ΔE 0.042
- Cornflower #6A79F7 ΔE 0.044
- Cerulean Blue #056EEE ΔE 0.051
- Bright Blue #0165FC ΔE 0.057
- Medium Slate Blue #7B68EE ΔE 0.058
- Azul #1D5DEC ΔE 0.068
Use #506EF9 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.