#47517A
Closest named color: Dusk (#4E5481). oklch(44.5% 0.069 272.9), rgb(71, 81, 122).
Aa
White text reads best on this color (7.70:1).
About this color
#47517A is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.069 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.018 away. White text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #47517A |
| RGB | rgb(71, 81, 122) |
| HSL | hsl(228, 26%, 38%) |
| OKLCH | oklch(44.5% 0.069 272.9) |
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 #47517A | 7.70:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #47517A | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #47517A text on white | 7.70:1 | AAA | Lc 86.7 | Fine for body text |
| #47517A text on black | 2.72:1 | Fails | Lc -15.4 | 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
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B8C0DB
oklch(81% 0.039 272.4)
-
Step 400
400
#939EC9
oklch(70.6% 0.064 273.5)
-
Step 500
500
#7986BC
oklch(63.1% 0.083 273.4)
-
Step 600
600
#626FA8
oklch(55.5% 0.09 273.3)
-
Step 700
700
#515D90
oklch(49.1% 0.083 272.9)
-
Step 800
800 (this color)
#47517A
oklch(44.5% 0.069 272.9)
-
Step 900
900
#38405E
oklch(37.8% 0.053 272.2)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#47517A 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) | #43557C | 0.012 |
| Deuteranopia (no green cones) | #3F5179 | 0.011 |
| Tritanopia (no blue cones) | #375960 | 0.061 |
| Achromatopsia (no color) | #535353 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47517A
#47517A
oklch(44.5% 0.069 272.9)
- #615323
#615323
oklch(44.5% 0.069 93.2)
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 #47517A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.018
- YInMn Blue #415A77 ΔE 0.029
- Dusty Grape #545775 ΔE 0.030
- Twilight #4E518B ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.044
- Dusk Blue #26538D ΔE 0.047
- Dusky Blue #475F94 ΔE 0.052
Use #47517A 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.