#506FFF
Closest named color: Clear Blue (#247AFD). oklch(60.1% 0.216 269.5), rgb(80, 111, 255).
Aa
Black text reads best on this color (5.05:1).
About this color
#506FFF is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.216 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.038 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.216) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #506FFF |
| RGB | rgb(80, 111, 255) |
| HSL | hsl(229, 100%, 66%) |
| OKLCH | oklch(60.1% 0.216 269.5) |
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 #506FFF | 4.15:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #506FFF | 5.05:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #506FFF text on white | 4.15:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #506FFF text on black | 5.05:1 | AA | Lc -33.6 | 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
#E2EAFF
oklch(93.7% 0.03 269.1)
-
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)
#506FFF
oklch(60.1% 0.216 269.5)
-
Step 600
600
#425CFA
oklch(55.7% 0.235 269.6)
-
Step 700
700
#354ADA
oklch(49.2% 0.219 269.6)
-
Step 800
800
#2B3EB0
oklch(42.7% 0.181 269.5)
-
Step 900
900
#26378B
oklch(37.8% 0.141 269.6)
-
Step 950
950
#162151
oklch(27% 0.089 269.8)
#506FFF 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) | #0085FF | 0.060 |
| Deuteranopia (no green cones) | #0075FC | 0.045 |
| Tritanopia (no blue cones) | #0092AC | 0.175 |
| Achromatopsia (no color) | #7C7C7C | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #506FFF
#506FFF
oklch(60.1% 0.216 269.5)
- #9D7C00
#9D7C00
oklch(60.1% 0.123 90)
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 #506FFF, closest first.
No curated palette has a color within ΔE 0.04 of #506FFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.038
- Cornflower #6A79F7 ΔE 0.044
- Neon Blue #4361EE ΔE 0.045
- Royal Blue #4169E1 ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.055
- Bright Blue #0165FC ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.061
- Azul #1D5DEC ΔE 0.072
Use #506FFF 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.