#475C8B
Closest named color: Dusky Blue (#475F94). oklch(47.9% 0.081 265.2), rgb(71, 92, 139).
Aa
White text reads best on this color (6.62:1).
About this color
#475C8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.081 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.015 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #475C8B |
| RGB | rgb(71, 92, 139) |
| HSL | hsl(221, 32%, 41%) |
| OKLCH | oklch(47.9% 0.081 265.2) |
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 #475C8B | 6.62:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #475C8B | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #475C8B text on white | 6.62:1 | AA | Lc 82.7 | Fine for body text |
| #475C8B 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300
#B4C1DB
oklch(80.9% 0.039 264.3)
-
Step 400
400
#8EA0C8
oklch(70.6% 0.062 265.9)
-
Step 500
500
#7289BA
oklch(63.1% 0.079 264.8)
-
Step 600
600
#5A72A6
oklch(55.5% 0.086 264.8)
-
Step 700
700 (this color)
#475C8B
oklch(47.9% 0.081 265.2)
-
Step 800
800
#3D4E74
oklch(42.7% 0.067 265.3)
-
Step 900
900
#34415E
oklch(37.7% 0.053 265.4)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#475C8B 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) | #4A608D | 0.013 |
| Deuteranopia (no green cones) | #435A8A | 0.008 |
| Tritanopia (no blue cones) | #2C666D | 0.072 |
| Achromatopsia (no color) | #5D5D5D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475C8B
#475C8B
oklch(47.9% 0.081 265.2)
- #725920
#725920
oklch(47.8% 0.081 84.8)
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 #475C8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.015
- Denim Blue #3B5B92 ΔE 0.019
- Denim #3B638C ΔE 0.023
- Dusk #4E5481 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.030
- Twilight #4E518B ΔE 0.032
- YInMn Blue #415A77 ΔE 0.034
- Dusty Grape #545775 ΔE 0.038
Use #475C8B 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.