#396BCC
Closest named color: Royal Blue (#4169E1). oklch(54.5% 0.16 262), rgb(57, 107, 204).
Aa
White text reads best on this color (5.06:1).
About this color
#396BCC is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.160 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.034 away. White text reads best on it, at 5.06:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #396BCC |
| RGB | rgb(57, 107, 204) |
| HSL | hsl(220, 59%, 51%) |
| OKLCH | oklch(54.5% 0.16 262) |
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 #396BCC | 5.06:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #396BCC | 4.14:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #396BCC text on white | 5.06:1 | AA | Lc 74.6 | Content text, not long reading |
| #396BCC text on black | 4.14:1 | AA large text | Lc -27.1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A7C1F0
oklch(80.8% 0.073 262.2)
-
Step 400
400
#79A0E9
oklch(70.7% 0.116 262.3)
-
Step 500
500
#5687E2
oklch(63.2% 0.147 261.7)
-
Step 600
600 (this color)
#396BCC
oklch(54.5% 0.16 262)
-
Step 700
700
#2E5CB4
oklch(49.2% 0.149 261.8)
-
Step 800
800
#274B91
oklch(42.6% 0.123 262.1)
-
Step 900
900
#243F74
oklch(37.6% 0.097 262.4)
-
Step 950
950
#152644
oklch(27.1% 0.061 261)
#396BCC 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) | #3676D0 | 0.029 |
| Deuteranopia (no green cones) | #0D68CA | 0.029 |
| Tritanopia (no blue cones) | #008292 | 0.127 |
| Achromatopsia (no color) | #6F6F6F | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396BCC
#396BCC
oklch(54.5% 0.16 262)
- #916800
#916800
oklch(54.5% 0.113 81.4)
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 #396BCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.034
- Mid Blue #276AB3 ΔE 0.043
- Windows Blue #3778BF ΔE 0.044
- French Blue #436BAD ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.055
- Warm Blue #4B57DB ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.059
- Neon Blue #4361EE ΔE 0.059
Use #396BCC 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.