#4B6BAF
Closest named color: French Blue (#436BAD). oklch(53.6% 0.113 263.9), rgb(75, 107, 175).
Aa
White text reads best on this color (5.22:1).
About this color
#4B6BAF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.113 and its hue 264°. 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 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #4B6BAF |
| RGB | rgb(75, 107, 175) |
| HSL | hsl(221, 40%, 49%) |
| OKLCH | oklch(53.6% 0.113 263.9) |
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 #4B6BAF | 5.22:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #4B6BAF | 4.02:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #4B6BAF text on white | 5.22:1 | AA | Lc 75.7 | Fine for body text |
| #4B6BAF text on black | 4.02:1 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400
#87A0D4
oklch(70.6% 0.082 264.5)
-
Step 500
500
#6988C9
oklch(63.1% 0.105 264.2)
-
Step 600
600 (this color)
#4B6BAF
oklch(53.6% 0.113 263.9)
-
Step 700
700
#415E9C
oklch(49% 0.106 264)
-
Step 800
800
#364D7F
oklch(42.6% 0.088 264.3)
-
Step 900
900
#2F4166
oklch(37.8% 0.068 263.7)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#4B6BAF 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) | #4F71B2 | 0.018 |
| Deuteranopia (no green cones) | #4268AE | 0.014 |
| Tritanopia (no blue cones) | #017A84 | 0.103 |
| Achromatopsia (no color) | #6C6C6C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6BAF
#4B6BAF
oklch(53.6% 0.113 263.9)
- #8B6700
#8B6700
oklch(53.6% 0.11 84.4)
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 #4B6BAF, 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 0.030
- Mid Blue #276AB3 ΔE 0.034
- Muted Blue #3B719F ΔE 0.038
- Windows Blue #3778BF ΔE 0.041
- Dull Blue #49759C ΔE 0.047
- Dusky Blue #475F94 ΔE 0.050
- Nice Blue #107AB0 ΔE 0.053
Use #4B6BAF 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.