#4B3474
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.106 297.8), rgb(75, 52, 116).
Aa
White text reads best on this color (10.28:1).
About this color
#4B3474 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.043 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #4B3474 |
| RGB | rgb(75, 52, 116) |
| HSL | hsl(262, 38%, 33%) |
| OKLCH | oklch(38.4% 0.106 297.8) |
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 #4B3474 | 10.28:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4B3474 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #4B3474 text on white | 10.28:1 | AAA | Lc 93.6 | Preferred for body text |
| #4B3474 text on black | 2.04:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F3
oklch(88.4% 0.045 298.3)
-
Step 300
300
#C6B6EE
oklch(80.9% 0.08 297.7)
-
Step 400
400
#AA8EE6
oklch(70.7% 0.128 297.7)
-
Step 500
500
#9670DE
oklch(63.1% 0.162 297.5)
-
Step 600
600
#8255CC
oklch(55.7% 0.177 297.8)
-
Step 700
700
#6E44B0
oklch(49.1% 0.165 298)
-
Step 800
800
#59398F
oklch(42.7% 0.137 297.4)
-
Step 900
900 (this color)
#4B3474
oklch(38.4% 0.106 297.8)
-
Step 950
950
#2B1E43
oklch(27.1% 0.068 298)
#4B3474 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) | #1B4176 | 0.072 |
| Deuteranopia (no green cones) | #214073 | 0.067 |
| Tritanopia (no blue cones) | #42414E | 0.085 |
| Achromatopsia (no color) | #414141 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3474
#4B3474
oklch(38.4% 0.106 297.8)
- #404900
#404900
oklch(38.4% 0.089 117.5)
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 #4B3474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.043
- Blueberry #464196 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.079
- Twilight Blue #0A437A ΔE 0.082
- Twilight #4E518B ΔE 0.083
- Cobalt #1E488F ΔE 0.083
- Indigo #4B0082 ΔE 0.086
- Grape Purple #5D1451 ΔE 0.089
Use #4B3474 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.