#4B4BA5
Closest named color: Blueberry (#464196). oklch(46.3% 0.141 279.3), rgb(75, 75, 165).
Aa
White text reads best on this color (7.37:1).
About this color
#4B4BA5 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.141 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.035 away. White text reads best on it, at 7.37:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #4B4BA5 |
| RGB | rgb(75, 75, 165) |
| HSL | hsl(240, 38%, 47%) |
| OKLCH | oklch(46.3% 0.141 279.3) |
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 #4B4BA5 | 7.37:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #4B4BA5 | 2.84:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #4B4BA5 text on white | 7.37:1 | AAA | Lc 85.3 | Fine for body text |
| #4B4BA5 text on black | 2.84:1 | Fails | Lc -16.7 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B7BDED
oklch(81% 0.068 279.2)
-
Step 400
400
#9299E4
oklch(70.7% 0.11 279.1)
-
Step 500
500
#797EDC
oklch(63.1% 0.14 279.3)
-
Step 600
600
#6365C9
oklch(55.5% 0.152 279.4)
-
Step 700
700 (this color)
#4B4BA5
oklch(46.3% 0.141 279.3)
-
Step 800
800
#43458D
oklch(42.7% 0.117 279)
-
Step 900
900
#383B71
oklch(37.8% 0.091 278.7)
-
Step 950
950
#212342
oklch(27.1% 0.057 279.1)
#4B4BA5 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) | #1559A8 | 0.059 |
| Deuteranopia (no green cones) | #0252A3 | 0.062 |
| Tritanopia (no blue cones) | #225F70 | 0.122 |
| Achromatopsia (no color) | #565656 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4BA5
#4B4BA5
oklch(46.3% 0.141 279.3)
- #665900
#665900
oklch(46.3% 0.096 99.4)
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 #4B4BA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.035
- Twilight #4E518B ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Dusk Blue #26538D ΔE 0.064
- Dusky Blue #475F94 ΔE 0.065
- Cobalt #1E488F ΔE 0.067
Use #4B4BA5 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.