#4F42A3
Closest named color: Blueberry (#464196). oklch(44.8% 0.151 284.6), rgb(79, 66, 163).
Aa
White text reads best on this color (7.95:1).
About this color
#4F42A3 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.151 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 7.95:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.64:1 |
| White text | 7.95:1 |
Values
| HEX | #4F42A3 |
| RGB | rgb(79, 66, 163) |
| HSL | hsl(248, 42%, 45%) |
| OKLCH | oklch(44.8% 0.151 284.6) |
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 #4F42A3 | 7.95:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #4F42A3 | 2.64:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #4F42A3 text on white | 7.95:1 | AAA | Lc 87.2 | Fine for body text |
| #4F42A3 text on black | 2.64:1 | Fails | Lc -14.9 | Not readable |
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
#D5D5F9
oklch(88.4% 0.049 285.3)
-
Step 300
300
#BAB9F8
oklch(80.9% 0.088 285)
-
Step 400
400
#9892F4
oklch(70.6% 0.141 285)
-
Step 500
500
#8174F0
oklch(63.1% 0.18 284.8)
-
Step 600
600
#6C59DF
oklch(55.7% 0.196 284.5)
-
Step 700
700
#5B48C1
oklch(49.2% 0.181 284.7)
-
Step 800
800 (this color)
#4F42A3
oklch(44.8% 0.151 284.6)
-
Step 900
900
#3D347C
oklch(37.6% 0.118 284.9)
-
Step 950
950
#231F49
oklch(26.9% 0.075 284.4)
#4F42A3 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) | #0054A6 | 0.077 |
| Deuteranopia (no green cones) | #004EA1 | 0.075 |
| Tritanopia (no blue cones) | #2F586C | 0.126 |
| Achromatopsia (no color) | #515151 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F42A3
#4F42A3
oklch(44.8% 0.151 284.6)
- #5D5700
#5D5700
oklch(44.8% 0.095 105)
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 #4F42A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.042
- Rebecca Purple #663399 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Twilight #4E518B ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.065
- Blurple #5539CC ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.070
Use #4F42A3 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.