#3D65D4
Closest named color: Royal Blue (#4169E1). oklch(54% 0.177 265.8), rgb(61, 101, 212).
Aa
White text reads best on this color (5.23:1).
About this color
#3D65D4 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.177 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.023 away. White text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #3D65D4 |
| RGB | rgb(61, 101, 212) |
| HSL | hsl(224, 64%, 54%) |
| OKLCH | oklch(54% 0.177 265.8) |
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 #3D65D4 | 5.23:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #3D65D4 | 4.01:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #3D65D4 text on white | 5.23:1 | AA | Lc 75.6 | Fine for body text |
| #3D65D4 text on black | 4.01:1 | AA large text | Lc -26.2 | 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
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CBD9F7
oklch(88.4% 0.044 265.6)
-
Step 300
300
#A8C0F5
oklch(80.9% 0.08 265.7)
-
Step 400
400
#7B9EF0
oklch(70.8% 0.127 265.7)
-
Step 500
500
#5A83EB
oklch(63.1% 0.163 265.8)
-
Step 600
600 (this color)
#3D65D4
oklch(54% 0.177 265.8)
-
Step 700
700
#3357BD
oklch(49% 0.166 265.8)
-
Step 800
800
#2B4898
oklch(42.6% 0.136 265.8)
-
Step 900
900
#263D79
oklch(37.6% 0.106 265.7)
-
Step 950
950
#172447
oklch(26.9% 0.068 266.6)
#3D65D4 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) | #1873D8 | 0.038 |
| Deuteranopia (no green cones) | #0066D2 | 0.033 |
| Tritanopia (no blue cones) | #008093 | 0.142 |
| Achromatopsia (no color) | #6C6C6C | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D65D4
#3D65D4
oklch(54% 0.177 265.8)
- #8B6900
#8B6900
oklch(54% 0.111 86.2)
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 #3D65D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.023
- Warm Blue #4B57DB ΔE 0.036
- Neon Blue #4361EE ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.049
- Azul #1D5DEC ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.051
- Iris #6258C4 ΔE 0.056
- Mid Blue #276AB3 ΔE 0.058
Use #3D65D4 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.