#386FE4
Closest named color: Royal Blue (#4169E1). oklch(57% 0.188 262.9), rgb(56, 111, 228).
Aa
White text reads best on this color (4.60:1).
About this color
#386FE4 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.188 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.016 away. White text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.56:1 |
| White text | 4.60:1 |
Values
| HEX | #386FE4 |
| RGB | rgb(56, 111, 228) |
| HSL | hsl(221, 76%, 56%) |
| OKLCH | oklch(57% 0.188 262.9) |
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 #386FE4 | 4.60:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #386FE4 | 4.56:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #386FE4 text on white | 4.60:1 | AA | Lc 71.5 | Content text, not long reading |
| #386FE4 text on black | 4.56:1 | AA | Lc -30.2 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A4C1F8
oklch(80.9% 0.084 263)
-
Step 400
400
#739FF5
oklch(70.8% 0.135 262.8)
-
Step 500
500
#4F84F0
oklch(63.1% 0.172 262.8)
-
Step 600
600 (this color)
#386FE4
oklch(57% 0.188 262.9)
-
Step 700
700
#2758C2
oklch(49.1% 0.175 262.9)
-
Step 800
800
#21499D
oklch(42.8% 0.144 262.7)
-
Step 900
900
#203E7C
oklch(37.7% 0.111 262.8)
-
Step 950
950
#132549
oklch(27.1% 0.071 262.6)
#386FE4 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) | #207DE8 | 0.035 |
| Deuteranopia (no green cones) | #006EE2 | 0.026 |
| Tritanopia (no blue cones) | #008B9F | 0.147 |
| Achromatopsia (no color) | #757575 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #386FE4
#386FE4
oklch(57% 0.188 262.9)
- #997000
#997000
oklch(57.1% 0.117 83.1)
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 #386FE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.016
- Cerulean Blue #056EEE ΔE 0.028
- Neon Blue #4361EE ΔE 0.037
- Clear Blue #247AFD ΔE 0.044
- Azul #1D5DEC ΔE 0.052
- Bright Blue #0165FC ΔE 0.053
- Warm Blue #4B57DB ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.064
Use #386FE4 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.