#47538C
Closest named color: Twilight (#4E518B). oklch(45.9% 0.094 273.2), rgb(71, 83, 140).
Aa
White text reads best on this color (7.28:1).
About this color
#47538C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.094 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.011 away. White text reads best on it, at 7.28:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #47538C |
| RGB | rgb(71, 83, 140) |
| HSL | hsl(230, 33%, 41%) |
| OKLCH | oklch(45.9% 0.094 273.2) |
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 #47538C | 7.28:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #47538C | 2.88:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #47538C text on white | 7.28:1 | AAA | Lc 85.2 | Fine for body text |
| #47538C text on black | 2.88:1 | Fails | Lc -16.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EA
oklch(88.4% 0.025 273.5)
-
Step 300
300
#B7BFDF
oklch(80.9% 0.046 274.3)
-
Step 400
400
#919ECF
oklch(70.7% 0.073 272.9)
-
Step 500
500
#7785C2
oklch(63% 0.094 273.6)
-
Step 600
600
#606EAE
oklch(55.5% 0.101 273.3)
-
Step 700
700 (this color)
#47538C
oklch(45.9% 0.094 273.2)
-
Step 800
800
#414B7A
oklch(42.6% 0.079 273.5)
-
Step 900
900
#373F62
oklch(37.7% 0.061 273.3)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#47538C 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) | #3D5A8E | 0.022 |
| Deuteranopia (no green cones) | #37548B | 0.021 |
| Tritanopia (no blue cones) | #2C5F68 | 0.085 |
| Achromatopsia (no color) | #575757 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47538C
#47538C
oklch(45.9% 0.094 273.2)
- #6A5600
#6A5600
oklch(46% 0.094 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 #47538C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.011
- Dusk #4E5481 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.025
- Dusky Blue #475F94 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Dusk Blue #26538D ΔE 0.038
- YInMn Blue #415A77 ΔE 0.046
- Dusty Grape #545775 ΔE 0.046
Use #47538C 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.