#4F45A1
Closest named color: Blueberry (#464196). oklch(45.2% 0.144 284), rgb(79, 69, 161).
Aa
White text reads best on this color (7.78:1).
About this color
#4F45A1 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 7.78:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #4F45A1 |
| RGB | rgb(79, 69, 161) |
| HSL | hsl(247, 40%, 45%) |
| OKLCH | oklch(45.2% 0.144 284) |
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 #4F45A1 | 7.78:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #4F45A1 | 2.69:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #4F45A1 text on white | 7.78:1 | AAA | Lc 86.7 | Fine for body text |
| #4F45A1 text on black | 2.69:1 | Fails | Lc -15.4 | 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
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D5D6F8
oklch(88.6% 0.047 284.1)
-
Step 300
300
#B9BAF6
oklch(80.9% 0.084 283.6)
-
Step 400
400
#9794F1
oklch(70.8% 0.134 283.9)
-
Step 500
500
#8076EC
oklch(63.1% 0.172 284.2)
-
Step 600
600
#6B5BDA
oklch(55.5% 0.187 284.2)
-
Step 700
700
#594ABD
oklch(49% 0.173 283.9)
-
Step 800
800 (this color)
#4F45A1
oklch(45.2% 0.144 284)
-
Step 900
900
#3C367A
oklch(37.7% 0.112 283.6)
-
Step 950
950
#232047
oklch(27% 0.07 284.1)
#4F45A1 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) | #0555A4 | 0.073 |
| Deuteranopia (no green cones) | #004F9F | 0.073 |
| Tritanopia (no blue cones) | #305A6C | 0.122 |
| Achromatopsia (no color) | #525252 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F45A1
#4F45A1
oklch(45.2% 0.144 284)
- #5F5800
#5F5800
oklch(45.3% 0.096 104.2)
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 #4F45A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.042
- Twilight #4E518B ΔE 0.051
- Rebecca Purple #663399 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.068
- Cobalt #1E488F ΔE 0.069
- Denim Blue #3B5B92 ΔE 0.070
Use #4F45A1 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.