#415FA9
Closest named color: French Blue (#436BAD). oklch(50% 0.123 265.6), rgb(65, 95, 169).
Aa
White text reads best on this color (6.11:1).
About this color
#415FA9 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.123 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.034 away. White text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #415FA9 |
| RGB | rgb(65, 95, 169) |
| HSL | hsl(223, 44%, 46%) |
| OKLCH | oklch(50% 0.123 265.6) |
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 #415FA9 | 6.11:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #415FA9 | 3.43:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #415FA9 text on white | 6.11:1 | AA | Lc 80.3 | Fine for body text |
| #415FA9 text on black | 3.43:1 | AA large text | Lc -21.5 | 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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AEC1E8
oklch(81% 0.059 264.6)
-
Step 400
400
#849FDD
oklch(70.6% 0.096 265.9)
-
Step 500
500
#6687D3
oklch(63.2% 0.121 265.3)
-
Step 600
600
#4E6FC0
oklch(55.6% 0.132 265.6)
-
Step 700
700 (this color)
#415FA9
oklch(50% 0.123 265.6)
-
Step 800
800
#344C87
oklch(42.8% 0.102 265.6)
-
Step 900
900
#2D406C
oklch(37.8% 0.079 265.2)
-
Step 950
950
#1A253F
oklch(26.8% 0.051 265.7)
#415FA9 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) | #3D67AC | 0.022 |
| Deuteranopia (no green cones) | #2E5DA7 | 0.021 |
| Tritanopia (no blue cones) | #00707C | 0.106 |
| Achromatopsia (no color) | #626262 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415FA9
#415FA9
oklch(50% 0.123 265.6)
- #7D5E00
#7D5E00
oklch(50% 0.102 86.1)
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 #415FA9, closest first.
No curated palette has a color within ΔE 0.04 of #415FA9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.034
- Dusky Blue #475F94 ΔE 0.034
- Mid Blue #276AB3 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.038
- Denim #3B638C ΔE 0.052
- Twilight #4E518B ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.057
- Muted Blue #3B719F ΔE 0.057
Use #415FA9 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.