#386CEB
Closest named color: Royal Blue (#4169E1). oklch(57% 0.2 264.2), rgb(56, 108, 235).
Aa
White text reads best on this color (4.65:1).
About this color
#386CEB is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.200 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.017 away. White text reads best on it, at 4.65:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #386CEB |
| RGB | rgb(56, 108, 235) |
| HSL | hsl(223, 82%, 57%) |
| OKLCH | oklch(57% 0.2 264.2) |
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 #386CEB | 4.65:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #386CEB | 4.51:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #386CEB text on white | 4.65:1 | AA | Lc 71.8 | Content text, not long reading |
| #386CEB text on black | 4.51:1 | AA | Lc -29.9 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A3C0FC
oklch(80.8% 0.091 264.4)
-
Step 400
400
#729DFA
oklch(70.6% 0.145 264.3)
-
Step 500
500
#4F82F7
oklch(63.1% 0.183 264.1)
-
Step 600
600 (this color)
#386CEB
oklch(57% 0.2 264.2)
-
Step 700
700
#2755C8
oklch(49% 0.186 264.1)
-
Step 800
800
#2146A2
oklch(42.6% 0.155 264.2)
-
Step 900
900
#203C80
oklch(37.6% 0.12 264.5)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#386CEB 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) | #007DEF | 0.043 |
| Deuteranopia (no green cones) | #006CE8 | 0.026 |
| Tritanopia (no blue cones) | #008BA1 | 0.157 |
| Achromatopsia (no color) | #747474 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #386CEB
#386CEB
oklch(57% 0.2 264.2)
- #977000
#977000
oklch(56.9% 0.117 84.3)
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 #386CEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.017
- Cerulean Blue #056EEE ΔE 0.023
- Neon Blue #4361EE ΔE 0.026
- Clear Blue #247AFD ΔE 0.041
- Bright Blue #0165FC ΔE 0.041
- Azul #1D5DEC ΔE 0.044
- Warm Blue #4B57DB ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.067
Use #386CEB 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.