#415B6B
Closest named color: YInMn Blue (#415A77). oklch(45.7% 0.041 235.9), rgb(65, 91, 107).
Aa
White text reads best on this color (7.15:1).
About this color
#415B6B is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.041 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.021 away. White text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #415B6B |
| RGB | rgb(65, 91, 107) |
| HSL | hsl(203, 24%, 34%) |
| OKLCH | oklch(45.7% 0.041 235.9) |
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 #415B6B | 7.15:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #415B6B | 2.93:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #415B6B text on white | 7.15:1 | AAA | Lc 84.8 | Fine for body text |
| #415B6B text on black | 2.93:1 | Fails | Lc -17.2 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B3C3CE
oklch(80.8% 0.023 237.7)
-
Step 400
400
#8BA5B5
oklch(70.7% 0.037 235.1)
-
Step 500
500
#6D8FA3
oklch(63.2% 0.049 234.4)
-
Step 600
600
#55798E
oklch(55.7% 0.052 234.6)
-
Step 700
700
#456579
oklch(49% 0.049 236.6)
-
Step 800
800 (this color)
#415B6B
oklch(45.7% 0.041 235.9)
-
Step 900
900
#314450
oklch(37.6% 0.032 236.4)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#415B6B 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) | #545A6C | 0.027 |
| Deuteranopia (no green cones) | #4E566B | 0.022 |
| Tritanopia (no blue cones) | #325F60 | 0.031 |
| Achromatopsia (no color) | #585858 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415B6B
#415B6B
oklch(45.7% 0.041 235.9)
- #695141
#695141
oklch(45.5% 0.041 55.1)
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 #415B6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.021
- Dusty Grape #545775 ΔE 0.036
- Slate #516572 ΔE 0.039
- Petrol #005F6A ΔE 0.046
- Dusk #4E5481 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.052
- Denim #3B638C ΔE 0.053
- Dark Aqua #05696B ΔE 0.056
Use #415B6B 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.