#47508D
Closest named color: Twilight (#4E518B). oklch(45.3% 0.1 275.4), rgb(71, 80, 141).
Aa
White text reads best on this color (7.49:1).
About this color
#47508D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.100 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.012 away. White text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #47508D |
| RGB | rgb(71, 80, 141) |
| HSL | hsl(232, 33%, 42%) |
| OKLCH | oklch(45.3% 0.1 275.4) |
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 #47508D | 7.49:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #47508D | 2.80:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #47508D text on white | 7.49:1 | AAA | Lc 85.9 | Fine for body text |
| #47508D text on black | 2.80:1 | Fails | Lc -16.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B5BEE7
oklch(80.8% 0.059 275.3)
-
Step 400
400
#909CDB
oklch(70.7% 0.093 275.5)
-
Step 500
500
#7582D1
oklch(63% 0.12 275.3)
-
Step 600
600
#5F6ABE
oklch(55.5% 0.13 275.7)
-
Step 700
700
#4E58A4
oklch(49% 0.121 275.4)
-
Step 800
800 (this color)
#47508D
oklch(45.3% 0.1 275.4)
-
Step 900
900
#363D6A
oklch(37.6% 0.077 275.4)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#47508D 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) | #38588F | 0.027 |
| Deuteranopia (no green cones) | #32528C | 0.027 |
| Tritanopia (no blue cones) | #2C5D67 | 0.089 |
| Achromatopsia (no color) | #555555 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47508D
#47508D
oklch(45.3% 0.1 275.4)
- #665500
#665500
oklch(45.3% 0.093 95.6)
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 #47508D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.012
- Dusk #4E5481 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.032
- Dusk Blue #26538D ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.042
- Blueberry #464196 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.051
Use #47508D 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.