#4C45A3
Closest named color: Blueberry (#464196). oklch(45.1% 0.147 282.1), rgb(76, 69, 163).
Aa
White text reads best on this color (7.81:1).
About this color
#4C45A3 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.147 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 7.81:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #4C45A3 |
| RGB | rgb(76, 69, 163) |
| HSL | hsl(244, 41%, 45%) |
| OKLCH | oklch(45.1% 0.147 282.1) |
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 #4C45A3 | 7.81:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #4C45A3 | 2.68:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #4C45A3 text on white | 7.81:1 | AAA | Lc 86.8 | Fine for body text |
| #4C45A3 text on black | 2.68:1 | Fails | Lc -15.3 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D3D6F9
oklch(88.5% 0.048 281.5)
-
Step 300
300
#B7BAF7
oklch(80.8% 0.086 282.1)
-
Step 400
400
#9494F3
oklch(70.6% 0.137 282.3)
-
Step 500
500
#7C77EF
oklch(63.2% 0.175 282)
-
Step 600
600
#675CDD
oklch(55.6% 0.19 282.1)
-
Step 700
700
#564AC0
oklch(49% 0.178 282.2)
-
Step 800
800 (this color)
#4C45A3
oklch(45.1% 0.147 282.1)
-
Step 900
900
#3A367B
oklch(37.7% 0.114 282.1)
-
Step 950
950
#222048
oklch(26.9% 0.072 282.7)
#4C45A3 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) | #0055A6 | 0.070 |
| Deuteranopia (no green cones) | #004FA1 | 0.068 |
| Tritanopia (no blue cones) | #275B6D | 0.126 |
| Achromatopsia (no color) | #525252 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C45A3
#4C45A3
oklch(45.1% 0.147 282.1)
- #605700
#605700
oklch(45.1% 0.095 102.5)
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 #4C45A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.043
- Twilight #4E518B ΔE 0.054
- Rebecca Purple #663399 ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Cobalt #1E488F ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.067
- Dusk Blue #26538D ΔE 0.070
Use #4C45A3 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.