#4B4B99
Closest named color: Blueberry (#464196). oklch(45.4% 0.124 280.3), rgb(75, 75, 153).
Aa
White text reads best on this color (7.59:1).
About this color
#4B4B99 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.124 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 7.59:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #4B4B99 |
| RGB | rgb(75, 75, 153) |
| HSL | hsl(240, 34%, 45%) |
| OKLCH | oklch(45.4% 0.124 280.3) |
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 #4B4B99 | 7.59:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #4B4B99 | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #4B4B99 text on white | 7.59:1 | AAA | Lc 86.2 | Fine for body text |
| #4B4B99 text on black | 2.76:1 | 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
#B7BCEF
oklch(80.9% 0.072 280.3)
-
Step 400
400
#9398E7
oklch(70.7% 0.115 280.2)
-
Step 500
500
#7A7CE0
oklch(63.1% 0.148 280.4)
-
Step 600
600
#6463CE
oklch(55.6% 0.161 280.2)
-
Step 700
700
#5351B2
oklch(49% 0.15 280.2)
-
Step 800
800 (this color)
#4B4B99
oklch(45.4% 0.124 280.3)
-
Step 900
900
#393973
oklch(37.6% 0.097 280.7)
-
Step 950
950
#212243
oklch(26.9% 0.061 280.2)
#4B4B99 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) | #26579C | 0.049 |
| Deuteranopia (no green cones) | #1F5197 | 0.051 |
| Tritanopia (no blue cones) | #2D5C6B | 0.107 |
| Achromatopsia (no color) | #545454 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4B99
#4B4B99
oklch(45.4% 0.124 280.3)
- #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 #4B4B99, 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 0.031
- Dark Slate Blue #483D8B ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.050
- Dusk #4E5481 ΔE 0.051
- Dusk Blue #26538D ΔE 0.053
- Dusky Blue #475F94 ΔE 0.057
- Cobalt #1E488F ΔE 0.059
Use #4B4B99 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.