#4F317C
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.123 299), rgb(79, 49, 124).
Aa
White text reads best on this color (10.18:1).
About this color
#4F317C is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #4F317C |
| RGB | rgb(79, 49, 124) |
| HSL | hsl(264, 43%, 34%) |
| OKLCH | oklch(38.9% 0.123 299) |
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 #4F317C | 10.18:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #4F317C | 2.06:1 | Fails | Lc 10.6 | Not readable |
| #4F317C text on white | 10.18:1 | AAA | Lc 93.3 | Preferred for body text |
| #4F317C text on black | 2.06:1 | Fails | Lc -9.2 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F7
oklch(88.4% 0.052 298.9)
-
Step 300
300
#C8B4F4
oklch(80.9% 0.091 298.7)
-
Step 400
400
#AE8AEF
oklch(70.8% 0.147 299)
-
Step 500
500
#9B68E9
oklch(63% 0.189 299.2)
-
Step 600
600
#874BD7
oklch(55.6% 0.205 299.3)
-
Step 700
700
#723BBB
oklch(49.1% 0.191 298.8)
-
Step 800
800
#5D3297
oklch(42.7% 0.158 299.1)
-
Step 900
900 (this color)
#4F317C
oklch(38.9% 0.123 299)
-
Step 950
950
#2C1C46
oklch(27% 0.076 298.8)
#4F317C 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) | #0A417E | 0.090 |
| Deuteranopia (no green cones) | #18417A | 0.083 |
| Tritanopia (no blue cones) | #454151 | 0.096 |
| Achromatopsia (no color) | #414141 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F317C
#4F317C
oklch(38.9% 0.123 299)
- #404B00
#404B00
oklch(38.9% 0.091 118.9)
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 #4F317C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.057
- Rebecca Purple #663399 ΔE 0.064
- Indigo #4B0082 ΔE 0.076
- Royal Purple #4B006E ΔE 0.084
- Twilight #4E518B ΔE 0.085
- Cobalt #1E488F ΔE 0.087
- Grape Purple #5D1451 ΔE 0.092
Use #4F317C 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.