#47518A
Closest named color: Twilight (#4E518B). oklch(45.4% 0.094 274.5), rgb(71, 81, 138).
Aa
White text reads best on this color (7.46:1).
About this color
#47518A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.094 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.010 away. White text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #47518A |
| RGB | rgb(71, 81, 138) |
| HSL | hsl(231, 32%, 41%) |
| OKLCH | oklch(45.4% 0.094 274.5) |
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 #47518A | 7.46:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #47518A | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #47518A text on white | 7.46:1 | AAA | Lc 85.8 | Fine for body text |
| #47518A text on black | 2.81:1 | Fails | Lc -16.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B5BFE5
oklch(81% 0.055 273.5)
-
Step 400
400
#909DD8
oklch(70.8% 0.088 274.4)
-
Step 500
500
#7583CD
oklch(63% 0.113 274.6)
-
Step 600
600
#5F6CBA
oklch(55.7% 0.122 274.6)
-
Step 700
700
#4E5AA0
oklch(49.2% 0.112 274.2)
-
Step 800
800 (this color)
#47518A
oklch(45.4% 0.094 274.5)
-
Step 900
900
#363E68
oklch(37.7% 0.073 274.2)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#47518A 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) | #3B588C | 0.023 |
| Deuteranopia (no green cones) | #355289 | 0.023 |
| Tritanopia (no blue cones) | #2E5D67 | 0.083 |
| Achromatopsia (no color) | #555555 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47518A
#47518A
oklch(45.4% 0.094 274.5)
- #675500
#675500
oklch(45.4% 0.093 94.7)
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 #47518A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.010
- Dusk #4E5481 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.037
- Dusk Blue #26538D ΔE 0.038
- Dusky Blue #475F94 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
Use #47518A 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.