#3E68D3
Closest named color: Royal Blue (#4169E1). oklch(54.6% 0.172 265.1), rgb(62, 104, 211).
Aa
White text reads best on this color (5.09:1).
About this color
#3E68D3 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.172 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.022 away. White text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #3E68D3 |
| RGB | rgb(62, 104, 211) |
| HSL | hsl(223, 63%, 54%) |
| OKLCH | oklch(54.6% 0.172 265.1) |
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 #3E68D3 | 5.09:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #3E68D3 | 4.12:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #3E68D3 text on white | 5.09:1 | AA | Lc 74.7 | Content text, not long reading |
| #3E68D3 text on black | 4.12:1 | AA large text | Lc -27.0 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CBD9F6
oklch(88.4% 0.043 265)
-
Step 300
300
#A8C0F3
oklch(80.8% 0.077 265.1)
-
Step 400
400
#7B9EEE
oklch(70.7% 0.124 265.4)
-
Step 500
500
#5A84E8
oklch(63.1% 0.158 265.1)
-
Step 600
600 (this color)
#3E68D3
oklch(54.6% 0.172 265.1)
-
Step 700
700
#3359BA
oklch(49.2% 0.159 265)
-
Step 800
800
#2A4996
oklch(42.7% 0.132 264.8)
-
Step 900
900
#263E78
oklch(37.7% 0.103 265)
-
Step 950
950
#172546
oklch(27.1% 0.064 265.1)
#3E68D3 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) | #2675D7 | 0.034 |
| Deuteranopia (no green cones) | #0068D1 | 0.034 |
| Tritanopia (no blue cones) | #008193 | 0.138 |
| Achromatopsia (no color) | #6E6E6E | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E68D3
#3E68D3
oklch(54.6% 0.172 265.1)
- #8E6A00
#8E6A00
oklch(54.6% 0.112 85)
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 #3E68D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.022
- Warm Blue #4B57DB ΔE 0.043
- Neon Blue #4361EE ΔE 0.046
- Cerulean Blue #056EEE ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.051
- Azul #1D5DEC ΔE 0.055
- Mid Blue #276AB3 ΔE 0.056
- Windows Blue #3778BF ΔE 0.057
Use #3E68D3 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.