#3D6FD2
Closest named color: Royal Blue (#4169E1). oklch(56% 0.162 262.3), rgb(61, 111, 210).
Aa
White text reads best on this color (4.76:1).
About this color
#3D6FD2 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.162 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.029 away. White text reads best on it, at 4.76:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #3D6FD2 |
| RGB | rgb(61, 111, 210) |
| HSL | hsl(220, 62%, 53%) |
| OKLCH | oklch(56% 0.162 262.3) |
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 #3D6FD2 | 4.76:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #3D6FD2 | 4.40:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #3D6FD2 text on white | 4.76:1 | AA | Lc 72.7 | Content text, not long reading |
| #3D6FD2 text on black | 4.40:1 | AA large text | Lc -28.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A7C1F1
oklch(80.8% 0.074 262.5)
-
Step 400
400
#79A0E9
oklch(70.7% 0.116 262.3)
-
Step 500
500
#5686E3
oklch(63% 0.15 262.3)
-
Step 600
600 (this color)
#3D6FD2
oklch(56% 0.162 262.3)
-
Step 700
700
#2E5BB5
oklch(49% 0.151 262.3)
-
Step 800
800
#274B92
oklch(42.7% 0.124 262.2)
-
Step 900
900
#243F75
oklch(37.7% 0.098 262.6)
-
Step 950
950
#152544
oklch(26.8% 0.062 262.4)
#3D6FD2 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) | #3A7AD6 | 0.029 |
| Deuteranopia (no green cones) | #146CD0 | 0.029 |
| Tritanopia (no blue cones) | #008696 | 0.130 |
| Achromatopsia (no color) | #737373 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D6FD2
#3D6FD2
oklch(56% 0.162 262.3)
- #956C00
#956C00
oklch(55.8% 0.115 82.2)
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 #3D6FD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.029
- Windows Blue #3778BF ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.050
- Mid Blue #276AB3 ΔE 0.054
- Neon Blue #4361EE ΔE 0.056
- French Blue #436BAD ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.058
- Warm Blue #4B57DB ΔE 0.061
Use #3D6FD2 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.