#4F3884
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.123 294.2), rgb(79, 56, 132).
Aa
White text reads best on this color (9.41:1).
About this color
#4F3884 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.123 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.019 away. White text reads best on it, at 9.41:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #4F3884 |
| RGB | rgb(79, 56, 132) |
| HSL | hsl(258, 40%, 37%) |
| OKLCH | oklch(40.7% 0.123 294.2) |
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 #4F3884 | 9.41:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #4F3884 | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #4F3884 text on white | 9.41:1 | AAA | Lc 91.5 | Preferred for body text |
| #4F3884 text on black | 2.23:1 | Fails | Lc -10.9 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A592E1
oklch(70.7% 0.115 294.3)
-
Step 500
500
#9075D8
oklch(63.1% 0.146 294.4)
-
Step 600
600
#7B5BC6
oklch(55.6% 0.16 294.4)
-
Step 700
700
#684BAB
oklch(49.2% 0.148 294.3)
-
Step 800
800 (this color)
#4F3884
oklch(40.7% 0.123 294.2)
-
Step 900
900
#45356F
oklch(37.6% 0.097 294)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#4F3884 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) | #124787 | 0.080 |
| Deuteranopia (no green cones) | #1A4582 | 0.075 |
| Tritanopia (no blue cones) | #424858 | 0.098 |
| Achromatopsia (no color) | #464646 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3884
#4F3884
oklch(40.7% 0.123 294.2)
- #494E00
#494E00
oklch(40.5% 0.091 113.9)
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 #4F3884, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.019
- Blueberry #464196 ΔE 0.038
- Rebecca Purple #663399 ΔE 0.055
- Twilight #4E518B ΔE 0.066
- Cobalt #1E488F ΔE 0.073
- Dusk #4E5481 ΔE 0.078
- Dusk Blue #26538D ΔE 0.084
- Twilight Blue #0A437A ΔE 0.087
Use #4F3884 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.