#3869F0
Closest named color: Neon Blue (#4361EE). oklch(56.8% 0.21 265.1), rgb(56, 105, 240).
Aa
White text reads best on this color (4.72:1).
About this color
#3869F0 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.210 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.019 away. White text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.210) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #3869F0 |
| RGB | rgb(56, 105, 240) |
| HSL | hsl(224, 86%, 58%) |
| OKLCH | oklch(56.8% 0.21 265.1) |
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 #3869F0 | 4.72:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #3869F0 | 4.44:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #3869F0 text on white | 4.72:1 | AA | Lc 72.2 | Content text, not long reading |
| #3869F0 text on black | 4.44:1 | AA large text | Lc -29.5 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FD
oklch(88.4% 0.053 265.3)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFE
oklch(70.6% 0.151 265.2)
-
Step 500
500
#4F80FD
oklch(63.1% 0.194 265.2)
-
Step 600
600 (this color)
#3869F0
oklch(56.8% 0.21 265.1)
-
Step 700
700
#2853CD
oklch(49.1% 0.195 265)
-
Step 800
800
#2245A6
oklch(42.8% 0.162 265)
-
Step 900
900
#203B83
oklch(37.6% 0.126 265.3)
-
Step 950
950
#13234D
oklch(26.9% 0.08 265.6)
#3869F0 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) | #007CF5 | 0.047 |
| Deuteranopia (no green cones) | #006BED | 0.026 |
| Tritanopia (no blue cones) | #008BA2 | 0.166 |
| Achromatopsia (no color) | #737373 | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3869F0
#3869F0
oklch(56.8% 0.21 265.1)
- #967000
#967000
oklch(56.8% 0.116 84.9)
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 #3869F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.019
- Royal Blue #4169E1 ΔE 0.024
- Cerulean Blue #056EEE ΔE 0.025
- Bright Blue #0165FC ΔE 0.034
- Azul #1D5DEC ΔE 0.038
- Clear Blue #247AFD ΔE 0.043
- Warm Blue #4B57DB ΔE 0.052
- Electric Blue #0652FF ΔE 0.066
Use #3869F0 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.