#4B3E99
Closest named color: Blueberry (#464196). oklch(42.9% 0.143 285.2), rgb(75, 62, 153).
Aa
White text reads best on this color (8.57:1).
About this color
#4B3E99 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.143 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.012 away. White text reads best on it, at 8.57:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #4B3E99 |
| RGB | rgb(75, 62, 153) |
| HSL | hsl(249, 42%, 42%) |
| OKLCH | oklch(42.9% 0.143 285.2) |
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 #4B3E99 | 8.57:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #4B3E99 | 2.44:1 | Fails | Lc 14.8 | Not readable |
| #4B3E99 text on white | 8.57:1 | AAA | Lc 89.1 | Fine for body text |
| #4B3E99 text on black | 2.44:1 | Fails | Lc -13.1 | Not readable |
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
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D5D5F7
oklch(88.4% 0.047 285.4)
-
Step 300
300
#BBBAF5
oklch(81% 0.083 285.2)
-
Step 400
400
#9993F0
oklch(70.7% 0.134 285.4)
-
Step 500
500
#8275EB
oklch(63.1% 0.172 285.4)
-
Step 600
600
#6D5BD9
oklch(55.6% 0.185 285.2)
-
Step 700
700
#5B4ABC
oklch(49.1% 0.172 284.9)
-
Step 800
800 (this color)
#4B3E99
oklch(42.9% 0.143 285.2)
-
Step 900
900
#3E3579
oklch(37.7% 0.112 285.8)
-
Step 950
950
#242047
oklch(27.1% 0.07 285.3)
#4B3E99 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) | #004F9C | 0.075 |
| Deuteranopia (no green cones) | #004997 | 0.073 |
| Tritanopia (no blue cones) | #2E5365 | 0.120 |
| Achromatopsia (no color) | #4C4C4C | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3E99
#4B3E99
oklch(42.9% 0.143 285.2)
- #575200
#575200
oklch(43% 0.091 105.6)
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 #4B3E99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.012
- Dark Slate Blue #483D8B ΔE 0.024
- Rebecca Purple #663399 ΔE 0.052
- Twilight #4E518B ΔE 0.059
- Cobalt #1E488F ΔE 0.062
- Sapphire #2138AB ΔE 0.068
- Dusk Blue #26538D ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
Use #4B3E99 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.