#466CA4
Closest named color: French Blue (#436BAD). oklch(52.9% 0.099 257.9), rgb(70, 108, 164).
Aa
White text reads best on this color (5.32:1).
About this color
#466CA4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.099 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.015 away. White text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #466CA4 |
| RGB | rgb(70, 108, 164) |
| HSL | hsl(216, 40%, 46%) |
| OKLCH | oklch(52.9% 0.099 257.9) |
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 #466CA4 | 5.32:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #466CA4 | 3.94:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #466CA4 text on white | 5.32:1 | AA | Lc 76.4 | Fine for body text |
| #466CA4 text on black | 3.94:1 | AA large text | Lc -25.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DE
oklch(80.9% 0.045 258)
-
Step 400
400
#85A2CD
oklch(70.6% 0.071 258.1)
-
Step 500
500
#678BC0
oklch(63.2% 0.09 257.9)
-
Step 600
600 (this color)
#466CA4
oklch(52.9% 0.099 257.9)
-
Step 700
700
#3F6194
oklch(49.1% 0.091 258.3)
-
Step 800
800
#344F78
oklch(42.6% 0.076 258.5)
-
Step 900
900
#2D4261
oklch(37.6% 0.06 258)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#466CA4 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) | #5570A6 | 0.023 |
| Deuteranopia (no green cones) | #4967A3 | 0.014 |
| Tritanopia (no blue cones) | #007980 | 0.089 |
| Achromatopsia (no color) | #6B6B6B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #466CA4
#466CA4
oklch(52.9% 0.099 257.9)
- #8B631B
#8B631B
oklch(52.9% 0.099 77.4)
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 #466CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.015
- Flat Blue #3C73A8 ΔE 0.020
- Muted Blue #3B719F ΔE 0.021
- Dull Blue #49759C ΔE 0.033
- Mid Blue #276AB3 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Ocean Blue #03719C ΔE 0.045
- Denim #3B638C ΔE 0.046
Use #466CA4 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.