#415F81
Closest named color: Denim (#3B638C). oklch(47.7% 0.066 252.3), rgb(65, 95, 129).
Aa
White text reads best on this color (6.60:1).
About this color
#415F81 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.066 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.019 away. White text reads best on it, at 6.60:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #415F81 |
| RGB | rgb(65, 95, 129) |
| HSL | hsl(212, 33%, 38%) |
| OKLCH | oklch(47.7% 0.066 252.3) |
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 #415F81 | 6.60:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #415F81 | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #415F81 text on white | 6.60:1 | AA | Lc 82.6 | Fine for body text |
| #415F81 text on black | 3.17:1 | AA large text | Lc -19.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C2D5
oklch(80.8% 0.032 252.7)
-
Step 400
400
#8AA3C0
oklch(70.6% 0.051 252.3)
-
Step 500
500
#6D8CB0
oklch(63% 0.065 252.6)
-
Step 600
600
#55769C
oklch(55.6% 0.071 252.5)
-
Step 700
700 (this color)
#415F81
oklch(47.7% 0.066 252.3)
-
Step 800
800
#39516C
oklch(42.7% 0.054 252)
-
Step 900
900
#314358
oklch(37.7% 0.043 252.7)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#415F81 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) | #526083 | 0.023 |
| Deuteranopia (no green cones) | #4A5A80 | 0.017 |
| Tritanopia (no blue cones) | #25676B | 0.057 |
| Achromatopsia (no color) | #5D5D5D | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415F81
#415F81
oklch(47.7% 0.066 252.3)
- #745731
#745731
oklch(47.8% 0.066 72.6)
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 #415F81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.019
- YInMn Blue #415A77 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.033
- Dusty Grape #545775 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.034
- Dusk #4E5481 ΔE 0.035
- Slate #516572 ΔE 0.040
Use #415F81 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.