#415B9D
Closest named color: Denim Blue (#3B5B92). oklch(48.4% 0.111 266.2), rgb(65, 91, 157).
Aa
White text reads best on this color (6.54:1).
About this color
#415B9D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.111 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.020 away. White text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.20:1 |
| White text | 6.54:1 |
Values
| HEX | #415B9D |
| RGB | rgb(65, 91, 157) |
| HSL | hsl(223, 41%, 44%) |
| OKLCH | oklch(48.4% 0.111 266.2) |
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 #415B9D | 6.54:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #415B9D | 3.20:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #415B9D text on white | 6.54:1 | AA | Lc 82.3 | Fine for body text |
| #415B9D text on black | 3.20:1 | AA large text | Lc -19.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C0E4
oklch(80.8% 0.054 266.3)
-
Step 400
400
#88A0D7
oklch(70.8% 0.085 266.1)
-
Step 500
500
#6A87CC
oklch(63.1% 0.11 266)
-
Step 600
600
#5270B9
oklch(55.6% 0.119 265.8)
-
Step 700
700 (this color)
#415B9D
oklch(48.4% 0.111 266.2)
-
Step 800
800
#374C81
oklch(42.6% 0.092 266.3)
-
Step 900
900
#304068
oklch(37.8% 0.072 266.5)
-
Step 950
950
#1C263D
oklch(27.1% 0.045 265.6)
#415B9D 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) | #3F62A0 | 0.019 |
| Deuteranopia (no green cones) | #335A9C | 0.016 |
| Tritanopia (no blue cones) | #006A74 | 0.100 |
| Achromatopsia (no color) | #5D5D5D | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415B9D
#415B9D
oklch(48.4% 0.111 266.2)
- #775A00
#775A00
oklch(48.4% 0.099 86.7)
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 #415B9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.020
- Dusky Blue #475F94 ΔE 0.022
- Twilight #4E518B ΔE 0.038
- Denim #3B638C ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.042
- Dusk Blue #26538D ΔE 0.047
- Dusk #4E5481 ΔE 0.047
- French Blue #436BAD ΔE 0.048
Use #415B9D 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.