#4966C4
Closest named color: French Blue (#436BAD). oklch(53.7% 0.15 268.2), rgb(73, 102, 196).
Aa
White text reads best on this color (5.27:1).
About this color
#4966C4 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.150 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.041 away. White text reads best on it, at 5.27:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #4966C4 |
| RGB | rgb(73, 102, 196) |
| HSL | hsl(226, 51%, 53%) |
| OKLCH | oklch(53.7% 0.15 268.2) |
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 #4966C4 | 5.27:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #4966C4 | 3.98:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #4966C4 text on white | 5.27:1 | AA | Lc 75.9 | Fine for body text |
| #4966C4 text on black | 3.98:1 | AA large text | Lc -25.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#849EE4
oklch(70.7% 0.107 268)
-
Step 500
500
#6684DD
oklch(63.1% 0.138 268.2)
-
Step 600
600 (this color)
#4966C4
oklch(53.7% 0.15 268.2)
-
Step 700
700
#3F59AF
oklch(49% 0.14 268.2)
-
Step 800
800
#34498E
oklch(42.6% 0.117 268.4)
-
Step 900
900
#2D3E71
oklch(37.7% 0.09 268)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#4966C4 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) | #3672C7 | 0.033 |
| Deuteranopia (no green cones) | #1E66C2 | 0.037 |
| Tritanopia (no blue cones) | #007C8B | 0.129 |
| Achromatopsia (no color) | #6C6C6C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4966C4
#4966C4
oklch(53.7% 0.15 268.2)
- #886900
#886900
oklch(53.7% 0.11 88.2)
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 #4966C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.041
- Mid Blue #276AB3 ΔE 0.043
- Royal Blue #4169E1 ΔE 0.045
- Iris #6258C4 ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.046
- Windows Blue #3778BF ΔE 0.051
- Warm Blue #4B57DB ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.053
Use #4966C4 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.