#4B47A5
Closest named color: Blueberry (#464196). oklch(45.5% 0.147 280.7), rgb(75, 71, 165).
Aa
White text reads best on this color (7.65:1).
About this color
#4B47A5 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.147 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.029 away. White text reads best on it, at 7.65:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #4B47A5 |
| RGB | rgb(75, 71, 165) |
| HSL | hsl(243, 40%, 46%) |
| OKLCH | oklch(45.5% 0.147 280.7) |
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 #4B47A5 | 7.65:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #4B47A5 | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #4B47A5 text on white | 7.65:1 | AAA | Lc 86.3 | Fine for body text |
| #4B47A5 text on black | 2.74:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6F9
oklch(88.5% 0.048 281.5)
-
Step 300
300
#B6BBF8
oklch(81% 0.086 280.6)
-
Step 400
400
#9295F4
oklch(70.7% 0.138 280.9)
-
Step 500
500
#7977F0
oklch(63% 0.177 280.8)
-
Step 600
600
#645DDE
oklch(55.6% 0.19 280.7)
-
Step 700
700
#534BC1
oklch(49% 0.178 280.6)
-
Step 800
800 (this color)
#4B47A5
oklch(45.5% 0.147 280.7)
-
Step 900
900
#39367C
oklch(37.6% 0.115 281.2)
-
Step 950
950
#212149
oklch(27.2% 0.072 280.4)
#4B47A5 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) | #0057A8 | 0.068 |
| Deuteranopia (no green cones) | #0050A3 | 0.065 |
| Tritanopia (no blue cones) | #225D6F | 0.127 |
| Achromatopsia (no color) | #535353 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B47A5
#4B47A5
oklch(45.5% 0.147 280.7)
- #635700
#635700
oklch(45.5% 0.095 100)
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 #4B47A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.029
- Dark Slate Blue #483D8B ΔE 0.048
- Twilight #4E518B ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Rebecca Purple #663399 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.066
- Cobalt #1E488F ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.067
Use #4B47A5 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.