#4D6CA5
Closest named color: French Blue (#436BAD). oklch(53.3% 0.097 261.9), rgb(77, 108, 165).
Aa
White text reads best on this color (5.24:1).
About this color
#4D6CA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.097 and its hue 262°. 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 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #4D6CA5 |
| RGB | rgb(77, 108, 165) |
| HSL | hsl(219, 36%, 47%) |
| OKLCH | oklch(53.3% 0.097 261.9) |
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 #4D6CA5 | 5.24:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #4D6CA5 | 4.00:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #4D6CA5 text on white | 5.24:1 | AA | Lc 75.9 | Fine for body text |
| #4D6CA5 text on black | 4.00:1 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B1C1DE
oklch(80.8% 0.045 262.4)
-
Step 400
400
#89A1CD
oklch(70.7% 0.07 262.4)
-
Step 500
500
#6B8AC0
oklch(63.2% 0.089 261.2)
-
Step 600
600 (this color)
#4D6CA5
oklch(53.3% 0.097 261.9)
-
Step 700
700
#446094
oklch(49.1% 0.09 262)
-
Step 800
800
#384F78
oklch(42.8% 0.074 261.4)
-
Step 900
900
#304161
oklch(37.6% 0.059 262.4)
-
Step 950
950
#1C2639
oklch(26.9% 0.038 262.7)
#4D6CA5 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) | #5671A7 | 0.019 |
| Deuteranopia (no green cones) | #4B68A4 | 0.012 |
| Tritanopia (no blue cones) | #207881 | 0.086 |
| Achromatopsia (no color) | #6C6C6C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D6CA5
#4D6CA5
oklch(53.3% 0.097 261.9)
- #89661E
#89661E
oklch(53.3% 0.097 81.3)
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 #4D6CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.017
- Flat Blue #3C73A8 ΔE 0.024
- Muted Blue #3B719F ΔE 0.026
- Dull Blue #49759C ΔE 0.033
- Mid Blue #276AB3 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.043
- Metallic Blue #4F738E ΔE 0.047
- Windows Blue #3778BF ΔE 0.048
Use #4D6CA5 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.