#4B317D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.124 295.8), rgb(75, 49, 125).
Aa
White text reads best on this color (10.32:1).
About this color
#4B317D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.124 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 10.32:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.32:1 |
Values
| HEX | #4B317D |
| RGB | rgb(75, 49, 125) |
| HSL | hsl(261, 44%, 34%) |
| OKLCH | oklch(38.5% 0.124 295.8) |
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 #4B317D | 10.32:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4B317D | 2.03:1 | Fails | Lc 10.3 | Not readable |
| #4B317D text on white | 10.32:1 | AAA | Lc 93.6 | Preferred for body text |
| #4B317D text on black | 2.03:1 | Fails | Lc -8.9 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F8
oklch(88.5% 0.051 295.2)
-
Step 300
300
#C5B5F6
oklch(80.9% 0.092 295.6)
-
Step 400
400
#A98BF2
oklch(70.6% 0.149 295.8)
-
Step 500
500
#966AED
oklch(63.1% 0.19 296)
-
Step 600
600
#814DDB
oklch(55.5% 0.206 295.8)
-
Step 700
700
#6E3DBE
oklch(49.1% 0.191 296)
-
Step 800
800
#59339A
oklch(42.6% 0.159 295.8)
-
Step 900
900 (this color)
#4B317D
oklch(38.5% 0.124 295.8)
-
Step 950
950
#2A1C48
oklch(26.9% 0.079 295.3)
#4B317D 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) | #03417F | 0.086 |
| Deuteranopia (no green cones) | #113F7B | 0.080 |
| Tritanopia (no blue cones) | #3F4152 | 0.096 |
| Achromatopsia (no color) | #404040 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B317D
#4B317D
oklch(38.5% 0.124 295.8)
- #424900
#424900
oklch(38.6% 0.088 115.8)
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 #4B317D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.055
- Rebecca Purple #663399 ΔE 0.069
- Indigo #4B0082 ΔE 0.074
- Cobalt #1E488F ΔE 0.082
- Royal Purple #4B006E ΔE 0.083
- Twilight #4E518B ΔE 0.086
- Twilight Blue #0A437A ΔE 0.086
Use #4B317D 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.