Dusky Blue #475F94
Dusky Blue is a medium-dark, moderately saturated blue with hex code #475F94 and RGB rgb(71, 95, 148).
Aa
White text reads best on this color (6.30:1).
About this color
#475F94 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.090 and its hue 265°. Its hue sits on the cool side of the wheel. It is the named color Dusky Blue. White text reads best on it, at 6.30:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusky Blue |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Colors that go with Dusky Blue
Matches found by rotating Dusky Blue around the OKLCH hue wheel, each labelled with the closest name in our list.
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Dusky Blue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Dusky Blue, closest first.
Similar named colors
The eight named colors closest to Dusky Blue, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.020
- Denim #3B638C ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.039
- Dusk #4E5481 ΔE 0.039
- Twilight #4E518B ΔE 0.039
- French Blue #436BAD ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Peacock Blue #016795 ΔE 0.049
More about Dusky Blue
How to make Dusky Blue
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 3 parts blue
- 2 parts pink
- 1 part red
Recipe result: #446197, a difference of ΔE 0.007 from Dusky Blue. That is very close: most people will not see the difference.
Codes for Dusky Blue in every format
| HEX | #475F94 |
| RGB | rgb(71, 95, 148) |
| HSL | hsl(221, 35%, 43%) |
| OKLCH | oklch(49.1% 0.09 264.8) |
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 #475F94 | 6.30:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #475F94 | 3.33:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #475F94 text on white | 6.30:1 | AA | Lc 81.3 | Fine for body text |
| #475F94 text on black | 3.33:1 | AA large text | Lc -20.6 | Dividers and decoration only |
Shades and tints of Dusky Blue
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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B3C1DE
oklch(81% 0.044 264.9)
-
Step 400
400
#8BA0CD
oklch(70.6% 0.07 265.2)
-
Step 500
500
#6F89C0
oklch(63.2% 0.089 264.6)
-
Step 600
600
#5772AC
oklch(55.7% 0.096 264.5)
-
Step 700
700 (this color)
#475F94
oklch(49.1% 0.09 264.8)
-
Step 800
800
#3A4E78
oklch(42.7% 0.075 264.1)
-
Step 900
900
#324161
oklch(37.7% 0.059 264.6)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
Dusky Blue 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) | #4A6496 | 0.015 |
| Deuteranopia (no green cones) | #425D93 | 0.009 |
| Tritanopia (no blue cones) | #246A72 | 0.081 |
| Achromatopsia (no color) | #606060 | 0.090 |
Use Dusky Blue 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.