#4B45AF
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.9% 0.163 280.3), rgb(75, 69, 175).
Aa
White text reads best on this color (7.58:1).
About this color
#4B45AF is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.163 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.042 away. White text reads best on it, at 7.58:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #4B45AF |
| RGB | rgb(75, 69, 175) |
| HSL | hsl(243, 43%, 48%) |
| OKLCH | oklch(45.9% 0.163 280.3) |
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 #4B45AF | 7.58:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #4B45AF | 2.76:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #4B45AF text on white | 7.58:1 | AAA | Lc 85.9 | Fine for body text |
| #4B45AF text on black | 2.76:1 | Fails | Lc -16.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B6BBF3
oklch(80.8% 0.079 280.5)
-
Step 400
400
#9297EE
oklch(70.8% 0.126 280.1)
-
Step 500
500
#797AE8
oklch(63.1% 0.162 280.3)
-
Step 600
600
#6460D6
oklch(55.6% 0.176 280.5)
-
Step 700
700 (this color)
#4B45AF
oklch(45.9% 0.163 280.3)
-
Step 800
800
#444196
oklch(42.7% 0.135 280.6)
-
Step 900
900
#393878
oklch(37.7% 0.106 280.7)
-
Step 950
950
#212146
oklch(26.9% 0.067 280.9)
#4B45AF 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) | #0058B2 | 0.070 |
| Deuteranopia (no green cones) | #0050AD | 0.065 |
| Tritanopia (no blue cones) | #145E73 | 0.140 |
| Achromatopsia (no color) | #545454 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B45AF
#4B45AF
oklch(45.9% 0.163 280.3)
- #645800
#645800
oklch(45.8% 0.095 100.1)
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 #4B45AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Blueberry #464196 ΔE 0.042
- Blurple #5539CC ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.053
- Majorelle Blue #3F37C9 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.061
- Blue Blue #2242C7 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.067
Use #4B45AF 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.