#466FDF
Closest named color: Royal Blue (#4169E1). oklch(57.3% 0.177 265.9), rgb(70, 111, 223).
Aa
Black text reads best on this color (4.59:1).
About this color
#466FDF is a medium-dark, vivid blue. In OKLCH its lightness is 57%, 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 0.017 away. Black text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #466FDF |
| RGB | rgb(70, 111, 223) |
| HSL | hsl(224, 71%, 57%) |
| OKLCH | oklch(57.3% 0.177 265.9) |
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 #466FDF | 4.56:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #466FDF | 4.59:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #466FDF text on white | 4.56:1 | AA | Lc 71.3 | Content text, not long reading |
| #466FDF text on black | 4.59:1 | AA | Lc -30.3 | Non-text elements, placeholder text |
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)
#466FDF
oklch(57.3% 0.177 265.9)
-
Step 700
700
#3457BD
oklch(49.1% 0.166 266.1)
-
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)
#466FDF 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) | #2C7DE3 | 0.037 |
| Deuteranopia (no green cones) | #006FDD | 0.039 |
| Tritanopia (no blue cones) | #00899C | 0.144 |
| Achromatopsia (no color) | #767676 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #466FDF
#466FDF
oklch(57.3% 0.177 265.9)
- #977200
#977200
oklch(57.3% 0.117 85.9)
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 #466FDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.017
- Neon Blue #4361EE ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.042
- Clear Blue #247AFD ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.057
- Windows Blue #3778BF ΔE 0.060
- Azul #1D5DEC ΔE 0.063
Use #466FDF 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.