#4A6CB3
Closest named color: French Blue (#436BAD). oklch(54% 0.118 263.6), rgb(74, 108, 179).
Aa
White text reads best on this color (5.13:1).
About this color
#4A6CB3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.118 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.013 away. White text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.08:1 |
| White text | 5.13:1 |
Values
| HEX | #4A6CB3 |
| RGB | rgb(74, 108, 179) |
| HSL | hsl(221, 42%, 50%) |
| OKLCH | oklch(54% 0.118 263.6) |
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 #4A6CB3 | 5.13:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #4A6CB3 | 4.08:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #4A6CB3 text on white | 5.13:1 | AA | Lc 75.2 | Fine for body text |
| #4A6CB3 text on black | 4.08:1 | AA large text | Lc -26.5 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#CFD9ED
oklch(88.4% 0.03 264.4)
-
Step 300
300
#AFC1E4
oklch(80.9% 0.053 263.7)
-
Step 400
400
#85A0D6
oklch(70.6% 0.085 263.8)
-
Step 500
500
#6788CB
oklch(63% 0.108 263.6)
-
Step 600
600 (this color)
#4A6CB3
oklch(54% 0.118 263.6)
-
Step 700
700
#3F5E9F
oklch(49% 0.111 263.6)
-
Step 800
800
#344D81
oklch(42.6% 0.092 263.6)
-
Step 900
900
#2E4167
oklch(37.8% 0.07 263.2)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#4A6CB3 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) | #4E73B6 | 0.021 |
| Deuteranopia (no green cones) | #4069B1 | 0.015 |
| Tritanopia (no blue cones) | #007C87 | 0.104 |
| Achromatopsia (no color) | #6D6D6D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A6CB3
#4A6CB3
oklch(54% 0.118 263.6)
- #8D6800
#8D6800
oklch(54% 0.111 84)
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 #4A6CB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.013
- Flat Blue #3C73A8 ΔE 0.032
- Mid Blue #276AB3 ΔE 0.033
- Windows Blue #3778BF ΔE 0.036
- Muted Blue #3B719F ΔE 0.041
- Dull Blue #49759C ΔE 0.050
- Nice Blue #107AB0 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.056
Use #4A6CB3 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.