#4B4B9A
Closest named color: Blueberry (#464196). oklch(45.5% 0.126 280.2), rgb(75, 75, 154).
Aa
White text reads best on this color (7.57:1).
About this color
#4B4B9A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.126 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.028 away. White text reads best on it, at 7.57:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #4B4B9A |
| RGB | rgb(75, 75, 154) |
| HSL | hsl(240, 34%, 45%) |
| OKLCH | oklch(45.5% 0.126 280.2) |
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 #4B4B9A | 7.57:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #4B4B9A | 2.77:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #4B4B9A text on white | 7.57:1 | AAA | Lc 86.1 | Fine for body text |
| #4B4B9A text on black | 2.77:1 | Fails | Lc -15.9 | 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 800.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D3D7F4
oklch(88.5% 0.04 279.3)
-
Step 300
300
#B7BCF0
oklch(80.9% 0.073 280.3)
-
Step 400
400
#9398E8
oklch(70.8% 0.116 280.2)
-
Step 500
500
#7A7CE1
oklch(63.1% 0.149 280.4)
-
Step 600
600
#6463CF
oklch(55.6% 0.162 280.1)
-
Step 700
700
#5351B3
oklch(49% 0.151 280.2)
-
Step 800
800 (this color)
#4B4B9A
oklch(45.5% 0.126 280.2)
-
Step 900
900
#393974
oklch(37.7% 0.099 280.6)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#4B4B9A 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) | #25579D | 0.050 |
| Deuteranopia (no green cones) | #1E5198 | 0.051 |
| Tritanopia (no blue cones) | #2C5C6B | 0.108 |
| Achromatopsia (no color) | #545454 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4B9A
#4B4B9A
oklch(45.5% 0.126 280.2)
- #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 #4B4B9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.028
- Twilight #4E518B ΔE 0.032
- Dark Slate Blue #483D8B ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.051
- Dusk #4E5481 ΔE 0.053
- Dusk Blue #26538D ΔE 0.054
- Dusky Blue #475F94 ΔE 0.058
- Cobalt #1E488F ΔE 0.060
Use #4B4B9A 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.