#4866AF
Closest named color: French Blue (#436BAD). oklch(52.3% 0.121 265.6), rgb(72, 102, 175).
Aa
White text reads best on this color (5.53:1).
About this color
#4866AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.121 and its hue 266°. 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 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #4866AF |
| RGB | rgb(72, 102, 175) |
| HSL | hsl(223, 42%, 48%) |
| OKLCH | oklch(52.3% 0.121 265.6) |
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 #4866AF | 5.53:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #4866AF | 3.79:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #4866AF text on white | 5.53:1 | AA | Lc 77.5 | Fine for body text |
| #4866AF text on black | 3.79:1 | AA large text | Lc -24.3 | 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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AFC1E7
oklch(81% 0.057 265.2)
-
Step 400
400
#859FDC
oklch(70.6% 0.095 266.3)
-
Step 500
500
#6787D2
oklch(63.2% 0.119 265.6)
-
Step 600
600
#4E6FBF
oklch(55.6% 0.13 265.5)
-
Step 700
700 (this color)
#4866AF
oklch(52.3% 0.121 265.6)
-
Step 800
800
#344C85
oklch(42.7% 0.099 265.2)
-
Step 900
900
#2E406B
oklch(37.8% 0.077 265.7)
-
Step 950
950
#1B263F
oklch(27.2% 0.049 265.2)
#4866AF 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) | #466EB2 | 0.022 |
| Deuteranopia (no green cones) | #3964AD | 0.018 |
| Tritanopia (no blue cones) | #007682 | 0.106 |
| Achromatopsia (no color) | #686868 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4866AF
#4866AF
oklch(52.3% 0.121 265.6)
- #856400
#856400
oklch(52.2% 0.107 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 #4866AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.015
- Mid Blue #276AB3 ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.044
- Muted Blue #3B719F ΔE 0.046
- Windows Blue #3778BF ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.056
- Dull Blue #49759C ΔE 0.058
Use #4866AF 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.