#396DE1
Closest named color: Royal Blue (#4169E1). oklch(56.5% 0.186 263.4), rgb(57, 109, 225).
Aa
White text reads best on this color (4.72:1).
About this color
#396DE1 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.186 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.011 away. White text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #396DE1 |
| RGB | rgb(57, 109, 225) |
| HSL | hsl(221, 74%, 55%) |
| OKLCH | oklch(56.5% 0.186 263.4) |
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 #396DE1 | 4.72:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #396DE1 | 4.44:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #396DE1 text on white | 4.72:1 | AA | Lc 72.3 | Content text, not long reading |
| #396DE1 text on black | 4.44:1 | AA large text | Lc -29.4 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A5C1F7
oklch(80.9% 0.083 263.3)
-
Step 400
400
#759FF4
oklch(70.8% 0.133 263.4)
-
Step 500
500
#5184F0
oklch(63.2% 0.171 263.3)
-
Step 600
600 (this color)
#396DE1
oklch(56.5% 0.186 263.4)
-
Step 700
700
#2A58C1
oklch(49.2% 0.173 263.5)
-
Step 800
800
#23489C
oklch(42.6% 0.144 263.6)
-
Step 900
900
#213E7C
oklch(37.8% 0.111 263.2)
-
Step 950
950
#142549
oklch(27.2% 0.071 263.4)
#396DE1 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) | #1E7BE5 | 0.036 |
| Deuteranopia (no green cones) | #006CDF | 0.028 |
| Tritanopia (no blue cones) | #00899C | 0.147 |
| Achromatopsia (no color) | #737373 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396DE1
#396DE1
oklch(56.5% 0.186 263.4)
- #966E00
#966E00
oklch(56.4% 0.116 83.3)
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 #396DE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.011
- Cerulean Blue #056EEE ΔE 0.030
- Neon Blue #4361EE ΔE 0.035
- Azul #1D5DEC ΔE 0.050
- Clear Blue #247AFD ΔE 0.050
- Warm Blue #4B57DB ΔE 0.052
- Bright Blue #0165FC ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.061
Use #396DE1 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.