#4F3F83
Closest named color: Dark Slate Blue (#483D8B). oklch(41.9% 0.11 291.8), rgb(79, 63, 131).
Aa
White text reads best on this color (8.85:1).
About this color
#4F3F83 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.110 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.020 away. White text reads best on it, at 8.85:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #4F3F83 |
| RGB | rgb(79, 63, 131) |
| HSL | hsl(254, 35%, 38%) |
| OKLCH | oklch(41.9% 0.11 291.8) |
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 #4F3F83 | 8.85:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #4F3F83 | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #4F3F83 text on white | 8.85:1 | AAA | Lc 90.1 | Preferred for body text |
| #4F3F83 text on black | 2.37:1 | Fails | Lc -12.2 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5EF
oklch(88.4% 0.036 292.7)
-
Step 300
300
#C1BAE7
oklch(81% 0.063 292.1)
-
Step 400
400
#A195DC
oklch(70.7% 0.103 291.3)
-
Step 500
500
#8C79D2
oklch(63.1% 0.132 292)
-
Step 600
600
#7660BF
oklch(55.5% 0.143 291.7)
-
Step 700
700
#644FA5
oklch(49.1% 0.133 292)
-
Step 800
800 (this color)
#4F3F83
oklch(41.9% 0.11 291.8)
-
Step 900
900
#43386B
oklch(37.8% 0.085 291.7)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#4F3F83 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) | #244B85 | 0.063 |
| Deuteranopia (no green cones) | #264981 | 0.060 |
| Tritanopia (no blue cones) | #424D5B | 0.090 |
| Achromatopsia (no color) | #4A4A4A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3F83
#4F3F83
oklch(41.9% 0.11 291.8)
- #4F5100
#4F5100
oklch(41.9% 0.092 111.4)
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 #4F3F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.020
- Blueberry #464196 ΔE 0.034
- Twilight #4E518B ΔE 0.049
- Dusk #4E5481 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.061
- Cobalt #1E488F ΔE 0.067
- Dusk Blue #26538D ΔE 0.071
- Light Navy #155084 ΔE 0.077
Use #4F3F83 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.