#47509E
Closest named color: Twilight (#4E518B). oklch(46.5% 0.125 275.5), rgb(71, 80, 158).
Aa
White text reads best on this color (7.21:1).
About this color
#47509E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.125 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.033 away. White text reads best on it, at 7.21:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.21:1 |
Values
| HEX | #47509E |
| RGB | rgb(71, 80, 158) |
| HSL | hsl(234, 38%, 45%) |
| OKLCH | oklch(46.5% 0.125 275.5) |
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 #47509E | 7.21:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #47509E | 2.90:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #47509E text on white | 7.21:1 | AAA | Lc 84.9 | Fine for body text |
| #47509E text on black | 2.90:1 | Fails | Lc -17.1 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F0
oklch(88.5% 0.034 274.5)
-
Step 300
300
#B5BEE8
oklch(80.9% 0.06 275.5)
-
Step 400
400
#8F9CDD
oklch(70.8% 0.096 275)
-
Step 500
500
#7582D4
oklch(63.2% 0.124 275.5)
-
Step 600
600
#5E6AC1
oklch(55.6% 0.135 275.2)
-
Step 700
700 (this color)
#47509E
oklch(46.5% 0.125 275.5)
-
Step 800
800
#404887
oklch(42.7% 0.104 275.6)
-
Step 900
900
#363D6C
oklch(37.8% 0.081 275.5)
-
Step 950
950
#1F243F
oklch(27% 0.051 274.5)
#47509E 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) | #2B5BA1 | 0.039 |
| Deuteranopia (no green cones) | #20549C | 0.042 |
| Tritanopia (no blue cones) | #1C616F | 0.111 |
| Achromatopsia (no color) | #575757 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47509E
#47509E
oklch(46.5% 0.125 275.5)
- #6A5800
#6A5800
oklch(46.5% 0.095 95.2)
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 #47509E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.033
- Blueberry #464196 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.048
- Dusk Blue #26538D ΔE 0.049
- Dusk #4E5481 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.057
Use #47509E 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.