#47517D
Closest named color: Dusk (#4E5481). oklch(44.6% 0.073 273.3), rgb(71, 81, 125).
Aa
White text reads best on this color (7.66:1).
About this color
#47517D is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.015 away. White text reads best on it, at 7.66:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.74:1 |
| White text | 7.66:1 |
Values
| HEX | #47517D |
| RGB | rgb(71, 81, 125) |
| HSL | hsl(229, 28%, 38%) |
| OKLCH | oklch(44.6% 0.073 273.3) |
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 #47517D | 7.66:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #47517D | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #47517D text on white | 7.66:1 | AAA | Lc 86.6 | Fine for body text |
| #47517D text on black | 2.74:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B7BFDD
oklch(80.8% 0.043 273.6)
-
Step 400
400
#929ECC
oklch(70.6% 0.069 273.2)
-
Step 500
500
#7886BF
oklch(63.2% 0.088 273.1)
-
Step 600
600
#616FAB
oklch(55.6% 0.095 273)
-
Step 700
700
#505C93
oklch(49% 0.09 273.3)
-
Step 800
800 (this color)
#47517D
oklch(44.6% 0.073 273.3)
-
Step 900
900
#383F60
oklch(37.7% 0.057 274.2)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#47517D 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) | #42567F | 0.015 |
| Deuteranopia (no green cones) | #3D517C | 0.014 |
| Tritanopia (no blue cones) | #355A61 | 0.066 |
| Achromatopsia (no color) | #535353 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47517D
#47517D
oklch(44.6% 0.073 273.3)
- #62531E
#62531E
oklch(44.6% 0.074 93.3)
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 #47517D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.015
- Twilight #4E518B ΔE 0.026
- YInMn Blue #415A77 ΔE 0.032
- Dusty Grape #545775 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.041
- Dusk Blue #26538D ΔE 0.044
- Dusky Blue #475F94 ΔE 0.049
Use #47517D 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.