#47539E
Closest named color: Twilight (#4E518B). oklch(47.1% 0.121 274), rgb(71, 83, 158).
Aa
White text reads best on this color (7.00:1).
About this color
#47539E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.121 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #47539E |
| RGB | rgb(71, 83, 158) |
| HSL | hsl(232, 38%, 45%) |
| OKLCH | oklch(47.1% 0.121 274) |
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 #47539E | 7.00:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #47539E | 2.99:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #47539E text on white | 7.00:1 | AAA | Lc 84.1 | Fine for body text |
| #47539E text on black | 2.99:1 | Fails | Lc -17.9 | 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
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B4BFE7
oklch(81% 0.058 273)
-
Step 400
400
#8E9CDB
oklch(70.6% 0.094 274.1)
-
Step 500
500
#7383D2
oklch(63.1% 0.12 273.8)
-
Step 600
600
#5D6BBF
oklch(55.7% 0.131 274.3)
-
Step 700
700 (this color)
#47539E
oklch(47.1% 0.121 274)
-
Step 800
800
#3F4985
oklch(42.7% 0.1 274.3)
-
Step 900
900
#353D6B
oklch(37.6% 0.079 274.5)
-
Step 950
950
#1F243F
oklch(27% 0.051 274.5)
#47539E 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) | #315DA1 | 0.034 |
| Deuteranopia (no green cones) | #26569C | 0.036 |
| Tritanopia (no blue cones) | #1C6371 | 0.106 |
| Achromatopsia (no color) | #595959 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47539E
#47539E
oklch(47.1% 0.121 274)
- #6D5900
#6D5900
oklch(47% 0.096 93.7)
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 #47539E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.035
- Dusky Blue #475F94 ΔE 0.040
- Blueberry #464196 ΔE 0.048
- Dusk Blue #26538D ΔE 0.048
- Dusk #4E5481 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.053
- Denim #3B638C ΔE 0.060
Use #47539E 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.