#415B8B
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.084 262), rgb(65, 91, 139).
Aa
White text reads best on this color (6.78:1).
About this color
#415B8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.084 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.013 away. White text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #415B8B |
| RGB | rgb(65, 91, 139) |
| HSL | hsl(219, 36%, 40%) |
| OKLCH | oklch(47.3% 0.084 262) |
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 #415B8B | 6.78:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #415B8B | 3.09:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #415B8B text on white | 6.78:1 | AA | Lc 83.3 | Fine for body text |
| #415B8B text on black | 3.09:1 | AA large text | Lc -18.6 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE9
oklch(88.6% 0.023 260.7)
-
Step 300
300
#B2C1DC
oklch(80.8% 0.042 262.3)
-
Step 400
400
#8AA1CA
oklch(70.6% 0.066 261.9)
-
Step 500
500
#6E8ABC
oklch(63.2% 0.082 261.7)
-
Step 600
600
#5673A9
oklch(55.7% 0.091 262.2)
-
Step 700
700 (this color)
#415B8B
oklch(47.3% 0.084 262)
-
Step 800
800
#3A4F75
oklch(42.8% 0.069 261.7)
-
Step 900
900
#32425F
oklch(37.9% 0.054 261.9)
-
Step 950
950
#1D2637
oklch(26.8% 0.034 262.7)
#415B8B 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) | #485F8D | 0.016 |
| Deuteranopia (no green cones) | #40588A | 0.009 |
| Tritanopia (no blue cones) | #1D656C | 0.075 |
| Achromatopsia (no color) | #5B5B5B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415B8B
#415B8B
oklch(47.3% 0.084 262)
- #73561A
#73561A
oklch(47.2% 0.084 81.8)
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 #415B8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.013
- Dusky Blue #475F94 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.022
- Denim #3B638C ΔE 0.023
- Dusk #4E5481 ΔE 0.027
- Twilight #4E518B ΔE 0.032
- YInMn Blue #415A77 ΔE 0.033
- Dusk Blue #26538D ΔE 0.041
Use #415B8B 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.