#4B65AC
Closest named color: French Blue (#436BAD). oklch(52.1% 0.117 267.2), rgb(75, 101, 172).
Aa
White text reads best on this color (5.59:1).
About this color
#4B65AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.117 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.017 away. White text reads best on it, at 5.59:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #4B65AC |
| RGB | rgb(75, 101, 172) |
| HSL | hsl(224, 39%, 48%) |
| OKLCH | oklch(52.1% 0.117 267.2) |
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 #4B65AC | 5.59:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #4B65AC | 3.75:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #4B65AC text on white | 5.59:1 | AA | Lc 77.8 | Fine for body text |
| #4B65AC text on black | 3.75:1 | AA large text | Lc -24.0 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E6
oklch(80.8% 0.057 267.2)
-
Step 400
400
#879FDA
oklch(70.7% 0.091 267)
-
Step 500
500
#6A86CF
oklch(63% 0.115 267.2)
-
Step 600
600
#526FBC
oklch(55.6% 0.125 266.8)
-
Step 700
700 (this color)
#4B65AC
oklch(52.1% 0.117 267.2)
-
Step 800
800
#374C84
oklch(42.8% 0.097 266.8)
-
Step 900
900
#303F6A
oklch(37.6% 0.076 268.1)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#4B65AC 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) | #476CAF | 0.019 |
| Deuteranopia (no green cones) | #3B64AA | 0.019 |
| Tritanopia (no blue cones) | #0F7580 | 0.105 |
| Achromatopsia (no color) | #686868 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B65AC
#4B65AC
oklch(52.1% 0.117 267.2)
- #836400
#836400
oklch(52% 0.106 87.3)
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 #4B65AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.017
- Mid Blue #276AB3 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.043
- Muted Blue #3B719F ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.053
- Windows Blue #3778BF ΔE 0.055
- Denim #3B638C ΔE 0.056
Use #4B65AC 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.