#4F4091
Closest named color: Blueberry (#464196). oklch(43.1% 0.128 288.3), rgb(79, 64, 145).
Aa
White text reads best on this color (8.48:1).
About this color
#4F4091 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.128 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.017 away. White text reads best on it, at 8.48:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #4F4091 |
| RGB | rgb(79, 64, 145) |
| HSL | hsl(251, 39%, 41%) |
| OKLCH | oklch(43.1% 0.128 288.3) |
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 #4F4091 | 8.48:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #4F4091 | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #4F4091 text on white | 8.48:1 | AAA | Lc 89.0 | Fine for body text |
| #4F4091 text on black | 2.47:1 | Fails | Lc -13.2 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F4
oklch(88.4% 0.042 288.5)
-
Step 300
300
#BEB9EF
oklch(80.8% 0.076 288.8)
-
Step 400
400
#9D94E7
oklch(70.7% 0.12 287.9)
-
Step 500
500
#8777E0
oklch(63.1% 0.154 288.2)
-
Step 600
600
#725DCD
oklch(55.6% 0.167 288.4)
-
Step 700
700
#604CB2
oklch(49.1% 0.155 288.3)
-
Step 800
800 (this color)
#4F4091
oklch(43.1% 0.128 288.3)
-
Step 900
900
#403673
oklch(37.6% 0.101 288.1)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#4F4091 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) | #164F94 | 0.071 |
| Deuteranopia (no green cones) | #174B8F | 0.070 |
| Tritanopia (no blue cones) | #3B5262 | 0.107 |
| Achromatopsia (no color) | #4D4D4D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4091
#4F4091
oklch(43.1% 0.128 288.3)
- #555300
#555300
oklch(43% 0.093 108.1)
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 #4F4091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.017
- Dark Slate Blue #483D8B ΔE 0.017
- Twilight #4E518B ΔE 0.048
- Rebecca Purple #663399 ΔE 0.050
- Cobalt #1E488F ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Dusk Blue #26538D ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.075
Use #4F4091 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.