#4B6CAB
Closest named color: French Blue (#436BAD). oklch(53.5% 0.107 262.4), rgb(75, 108, 171).
Aa
White text reads best on this color (5.20:1).
About this color
#4B6CAB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.107 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.010 away. White text reads best on it, at 5.20:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #4B6CAB |
| RGB | rgb(75, 108, 171) |
| HSL | hsl(219, 39%, 48%) |
| OKLCH | oklch(53.5% 0.107 262.4) |
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 #4B6CAB | 5.20:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #4B6CAB | 4.03:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #4B6CAB text on white | 5.20:1 | AA | Lc 75.7 | Fine for body text |
| #4B6CAB text on black | 4.03:1 | AA large text | Lc -26.0 | 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 600.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C1E0
oklch(80.8% 0.048 262.5)
-
Step 400
400
#87A1D1
oklch(70.7% 0.077 262.4)
-
Step 500
500
#6989C5
oklch(63.1% 0.098 262.4)
-
Step 600
600 (this color)
#4B6CAB
oklch(53.5% 0.107 262.4)
-
Step 700
700
#415F99
oklch(49% 0.1 262.5)
-
Step 800
800
#364E7C
oklch(42.7% 0.082 262.5)
-
Step 900
900
#2F4164
oklch(37.7% 0.065 262.9)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#4B6CAB 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) | #5271AE | 0.017 |
| Deuteranopia (no green cones) | #4669AA | 0.011 |
| Tritanopia (no blue cones) | #0D7A83 | 0.096 |
| Achromatopsia (no color) | #6D6D6D | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6CAB
#4B6CAB
oklch(53.5% 0.107 262.4)
- #8C660C
#8C660C
oklch(53.5% 0.107 81.9)
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 #4B6CAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.010
- Flat Blue #3C73A8 ΔE 0.025
- Muted Blue #3B719F ΔE 0.031
- Mid Blue #276AB3 ΔE 0.036
- Dull Blue #49759C ΔE 0.040
- Windows Blue #3778BF ΔE 0.042
- Dusky Blue #475F94 ΔE 0.048
- Nice Blue #107AB0 ΔE 0.050
Use #4B6CAB 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.