#4F409C
Closest named color: Blueberry (#464196). oklch(43.9% 0.144 286.3), rgb(79, 64, 156).
Aa
White text reads best on this color (8.24:1).
About this color
#4F409C is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.144 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.018 away. White text reads best on it, at 8.24:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #4F409C |
| RGB | rgb(79, 64, 156) |
| HSL | hsl(250, 42%, 43%) |
| OKLCH | oklch(43.9% 0.144 286.3) |
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 #4F409C | 8.24:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #4F409C | 2.54:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #4F409C text on white | 8.24:1 | AAA | Lc 88.2 | Fine for body text |
| #4F409C text on black | 2.54:1 | Fails | Lc -14.0 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F7
oklch(88.4% 0.047 286.8)
-
Step 300
300
#BCB9F5
oklch(80.9% 0.084 286.6)
-
Step 400
400
#9B93F0
oklch(70.8% 0.134 286.4)
-
Step 500
500
#8475EB
oklch(63.2% 0.172 286.2)
-
Step 600
600
#6F5AD9
oklch(55.6% 0.186 286.2)
-
Step 700
700
#5D49BC
oklch(49.1% 0.173 286.1)
-
Step 800
800 (this color)
#4F409C
oklch(43.9% 0.144 286.3)
-
Step 900
900
#3F3579
oklch(37.8% 0.112 286.5)
-
Step 950
950
#242047
oklch(27.1% 0.07 285.3)
#4F409C 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) | #00519F | 0.078 |
| Deuteranopia (no green cones) | #004C9A | 0.077 |
| Tritanopia (no blue cones) | #345567 | 0.121 |
| Achromatopsia (no color) | #4F4F4F | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F409C
#4F409C
oklch(43.9% 0.144 286.3)
- #595500
#595500
oklch(43.9% 0.094 106.5)
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 #4F409C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.018
- Dark Slate Blue #483D8B ΔE 0.031
- Rebecca Purple #663399 ΔE 0.048
- Twilight #4E518B ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Cobalt #1E488F ΔE 0.068
- Sapphire #2138AB ΔE 0.074
- Dusk Blue #26538D ΔE 0.075
Use #4F409C 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.